Q: Is 1,121,607 a Prime Number?
A: No, 1,121,607 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 1121607 can be evenly divided by 1 3 9 27 61 81 183 227 549 681 1,647 2,043 4,941 6,129 13,847 18,387 41,541 124,623 373,869 and 1,121,607, with no remainder.
Since 1,121,607 cannot be divided by just 1 and 1,121,607, it is not a prime number.