122432631 has 4 divisors (see below), whose sum is σ = 163243512. Its totient is φ = 81621752.

The previous prime is 122432591. The next prime is 122432633. The reversal of 122432631 is 136234221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122432631 - 2⁹ = 122432119 is a prime.

It is a super-2 number, since 2×122432631² = 29979498267164322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122432633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20405436 + ... + 20405441.

It is an arithmetic number, because the mean of its divisors is an integer number (40810878).

Almost surely, 2^122432631 is an apocalyptic number.

122432631 is a deficient number, since it is larger than the sum of its proper divisors (40810881).

122432631 is an equidigital number, since it uses as much as digits as its factorization.

122432631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40810880.

The product of its digits is 1728, while the sum is 24.

The square root of 122432631 is about 11064.9279708455. The cubic root of 122432631 is about 496.5531341676.

Adding to 122432631 its reverse (136234221), we get a palindrome (258666852).

The spelling of 122432631 in words is "one hundred twenty-two million, four hundred thirty-two thousand, six hundred thirty-one".