1232513152 has 32 divisors (see below), whose sum is σ = 2644277580. Its totient is φ = 568851456.

The previous prime is 1232513129. The next prime is 1232513153. The reversal of 1232513152 is 2513152321.

It can be written as a sum of positive squares in 2 ways, for example, as 1048205376 + 184307776 = 32376^2 + 13576^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (1232513153) 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, 368683 + ... + 372010.

Almost surely, 2^1232513152 is an apocalyptic number.

It is an amenable number.

1232513152 is an abundant number, since it is smaller than the sum of its proper divisors (1411764428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232513152 is an equidigital number, since it uses as much as digits as its factorization.

1232513152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740720 (or 740708 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1232513152 is about 35107.1666757658. The cubic root of 1232513152 is about 1072.1705008378.

Adding to 1232513152 its reverse (2513152321), we get a palindrome (3745665473).

The spelling of 1232513152 in words is "one billion, two hundred thirty-two million, five hundred thirteen thousand, one hundred fifty-two".