1232574520 has 32 divisors (see below), whose sum is σ = 2785749120. Its totient is φ = 490815360.

The previous prime is 1232574509. The next prime is 1232574523. The reversal of 1232574520 is 254752321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232574523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60171 + ... + 78010.

It is an arithmetic number, because the mean of its divisors is an integer number (87054660).

Almost surely, 2^1232574520 is an apocalyptic number.

1232574520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232574520 is an abundant number, since it is smaller than the sum of its proper divisors (1553174600).

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

1232574520 is a wasteful number, since it uses less digits than its factorization.

1232574520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138415 (or 138411 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 1232574520 is about 35108.0406744666. The cubic root of 1232574520 is about 1072.1882953381.

The spelling of 1232574520 in words is "one billion, two hundred thirty-two million, five hundred seventy-four thousand, five hundred twenty".