CHICAGO (CBS) — The Mega Millions jackpot Friday is currently $1 billion–or $565 million in a lump sum payment.

Yes, you could play your kids’ birthdays, or your anniversary, or some similar combination.

But with a few hundred million dollars on the line,  some research might be in order. After taxes, according to lottostrategies, a single Illinois winner could collect about $407 million.

According to USA Mega, here are the most common numbers drawn based on the past 101 drawings: 1, 2, 28,  and (the following are tied:) 14, 17, 42, 70.  The number 1 has been chosen 18 times, 2 and 28, 12 times and the rest 11 times.

The most common Mega Ball is 22 or 9, drawn seven times.

For those who are looking for the least common numbers: 50, 65, 63, 57, 36, 09. The number 50 has been chosen twice, the remaining numbers were picked three times.

The least common Mega ball is 05.

Of course choosing your numbers or relying on the machine to pick them does not change your odds of winning the jackpot. which are 1 in 302,575,350.