122525631 has 6 divisors (see below), whose sum is σ = 176981480. Its totient is φ = 81683748.

The previous prime is 122525629. The next prime is 122525639. The reversal of 122525631 is 136525221.

It is a happy number.

122525631 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 25 + 631 = 666.

It is not a de Polignac number, because 122525631 - 2¹ = 122525629 is a prime.

It is a super-2 number, since 2×122525631² = 30025060503896322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122525595 and 122525604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122525639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6806971 + ... + 6806988.

Almost surely, 2^122525631 is an apocalyptic number.

122525631 is a deficient number, since it is larger than the sum of its proper divisors (54455849).

122525631 is a wasteful number, since it uses less digits than its factorization.

122525631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13613965 (or 13613962 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 122525631 is about 11069.1296405815. The cubic root of 122525631 is about 496.6788298349.

The spelling of 122525631 in words is "one hundred twenty-two million, five hundred twenty-five thousand, six hundred thirty-one".