1122997 has 2 divisors, whose sum is σ = 1122998. Its totient is φ = 1122996.

The previous prime is 1122983. The next prime is 1123051. The reversal of 1122997 is 7992211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799236 + 323761 = 894^2 + 569^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122997 is a prime.

It is a super-2 number, since 2×1122997² = 2522244524018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561498 + 561499.

It is an arithmetic number, because the mean of its divisors is an integer number (561499).

2^1122997 is an apocalyptic number.

It is an amenable number.

1122997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122997 is an equidigital number, since it uses as much as digits as its factorization.

1122997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 1122997 is about 1059.7155278659. The cubic root of 1122997 is about 103.9424299225.

The spelling of 1122997 in words is "one million, one hundred twenty-two thousand, nine hundred ninety-seven".