1232512401 has 16 divisors (see below), whose sum is σ = 1671102720. Its totient is φ = 807893520.

The previous prime is 1232512399. The next prime is 1232512409. The reversal of 1232512401 is 1042152321.

It is not a de Polignac number, because 1232512401 - 2¹ = 1232512399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1232512409) 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, 40810 + ... + 64268.

It is an arithmetic number, because the mean of its divisors is an integer number (104443920).

Almost surely, 2^1232512401 is an apocalyptic number.

It is an amenable number.

1232512401 is a deficient number, since it is larger than the sum of its proper divisors (438590319).

1232512401 is a wasteful number, since it uses less digits than its factorization.

1232512401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23756.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1232512401 is about 35107.1559799423. The cubic root of 1232512401 is about 1072.1702830713.

Adding to 1232512401 its reverse (1042152321), we get a palindrome (2274664722).

The spelling of 1232512401 in words is "one billion, two hundred thirty-two million, five hundred twelve thousand, four hundred one".