122605631 has 2 divisors, whose sum is σ = 122605632. Its totient is φ = 122605630.

The previous prime is 122605597. The next prime is 122605643. The reversal of 122605631 is 136506221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122605631 - 2²² = 118411327 is a prime.

It is a super-2 number, since 2×122605631² = 30064281505816322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122605631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122605831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61302815 + 61302816.

It is an arithmetic number, because the mean of its divisors is an integer number (61302816).

Almost surely, 2^122605631 is an apocalyptic number.

122605631 is a deficient number, since it is larger than the sum of its proper divisors (1).

122605631 is an equidigital number, since it uses as much as digits as its factorization.

122605631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122605631 is about 11072.7427044974. The cubic root of 122605631 is about 496.7869042608.

The spelling of 122605631 in words is "one hundred twenty-two million, six hundred five thousand, six hundred thirty-one".