Q: Is 1,221,957 a Prime Number?
A: No, 1,221,957 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 1221957 can be evenly divided by 1 3 9 11 33 99 12,343 37,029 111,087 135,773 407,319 and 1,221,957, with no remainder.
Since 1,221,957 cannot be divided by just 1 and 1,221,957, it is not a prime number.