122974961 has 2 divisors, whose sum is σ = 122974962. Its totient is φ = 122974960.

The previous prime is 122974933. The next prime is 122974967. The reversal of 122974961 is 169479221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117310561 + 5664400 = 10831^2 + 2380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122974961 is a prime.

It is not a weakly prime, because it can be changed into another prime (122974967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61487480 + 61487481.

It is an arithmetic number, because the mean of its divisors is an integer number (61487481).

Almost surely, 2^122974961 is an apocalyptic number.

It is an amenable number.

122974961 is a deficient number, since it is larger than the sum of its proper divisors (1).

122974961 is an equidigital number, since it uses as much as digits as its factorization.

122974961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 41.

The square root of 122974961 is about 11089.4076036549. The cubic root of 122974961 is about 497.2852347765.

The spelling of 122974961 in words is "one hundred twenty-two million, nine hundred seventy-four thousand, nine hundred sixty-one".