122116631 has 16 divisors (see below), whose sum is σ = 150603264. Its totient is φ = 96423264.

The previous prime is 122116619. The next prime is 122116649. The reversal of 122116631 is 136611221.

It is not a de Polignac number, because 122116631 - 2²² = 117922327 is a prime.

It is a super-2 number, since 2×122116631² = 29824943133580322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122116597 and 122116606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122116601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57470 + ... + 59556.

It is an arithmetic number, because the mean of its divisors is an integer number (9412704).

Almost surely, 2^122116631 is an apocalyptic number.

122116631 is a deficient number, since it is larger than the sum of its proper divisors (28486633).

122116631 is a wasteful number, since it uses less digits than its factorization.

122116631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750.

The product of its digits is 432, while the sum is 23.

The square root of 122116631 is about 11050.6393932659. The cubic root of 122116631 is about 496.1255630231.

Adding to 122116631 its reverse (136611221), we get a palindrome (258727852).

The spelling of 122116631 in words is "one hundred twenty-two million, one hundred sixteen thousand, six hundred thirty-one".