1232404131 has 16 divisors (see below), whose sum is σ = 1878624000. Its totient is φ = 703977888.

The previous prime is 1232404099. The next prime is 1232404141. The reversal of 1232404131 is 1314042321.

It is not a de Polignac number, because 1232404131 - 2⁵ = 1232404099 is a prime.

It is a super-2 number, since 2×1232404131² = 3037639884211730322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1232404098 and 1232404107.

It is not an unprimeable number, because it can be changed into a prime (1232404141) 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, 60385 + ... + 78173.

It is an arithmetic number, because the mean of its divisors is an integer number (117414000).

Almost surely, 2^1232404131 is an apocalyptic number.

1232404131 is a deficient number, since it is larger than the sum of its proper divisors (646219869).

1232404131 is a wasteful number, since it uses less digits than its factorization.

1232404131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21098.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1232404131 is about 35105.6139527569. The cubic root of 1232404131 is about 1072.1388872341.

Adding to 1232404131 its reverse (1314042321), we get a palindrome (2546446452).

The spelling of 1232404131 in words is "one billion, two hundred thirty-two million, four hundred four thousand, one hundred thirty-one".