Q: Is 1,242,009 a Prime Number?
A: No, 1,242,009 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1242009 can be evenly divided by 1 3 9 59 177 531 2,339 7,017 21,051 138,001 414,003 and 1,242,009, with no remainder.
Since 1,242,009 cannot be divided by just 1 and 1,242,009, it is not a prime number.