11122631 has 16 divisors (see below), whose sum is σ = 12536160. Its totient is φ = 9797760.

The previous prime is 11122627. The next prime is 11122663. The reversal of 11122631 is 13622111.

It is a cyclic number.

It is not a de Polignac number, because 11122631 - 2² = 11122627 is a prime.

It is a super-2 number, since 2×11122631² = 247425840724322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11127631) 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, 61361 + ... + 61541.

It is an arithmetic number, because the mean of its divisors is an integer number (783510).

Almost surely, 2^11122631 is an apocalyptic number.

11122631 is a deficient number, since it is larger than the sum of its proper divisors (1413529).

11122631 is a wasteful number, since it uses less digits than its factorization.

11122631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 72, while the sum is 17.

The square root of 11122631 is about 3335.0608690097. The cubic root of 11122631 is about 223.2214079897.

Adding to 11122631 its reverse (13622111), we get a palindrome (24744742).

The spelling of 11122631 in words is "eleven million, one hundred twenty-two thousand, six hundred thirty-one".