Q: Is 1,121,605 a Prime Number?
A: No, 1,121,605 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 1121605 can be evenly divided by 1 5 101 505 2,221 11,105 224,321 and 1,121,605, with no remainder.
Since 1,121,605 cannot be divided by just 1 and 1,121,605, it is not a prime number.