1520612232 has 16 divisors (see below), whose sum is σ = 3801530640. Its totient is φ = 506870736.

The previous prime is 1520612227. The next prime is 1520612257. The reversal of 1520612232 is 2322160251.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 63358843 = 1520612232 / (1 + 5 + 2 + 0 + 6 + 1 + 2 + 2 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31679398 + ... + 31679445.

It is an arithmetic number, because the mean of its divisors is an integer number (237595665).

Almost surely, 2^1520612232 is an apocalyptic number.

1520612232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1520612232 is an abundant number, since it is smaller than the sum of its proper divisors (2280918408).

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

1520612232 is a wasteful number, since it uses less digits than its factorization.

1520612232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63358852 (or 63358848 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1520612232 is about 38995.0282984895. The cubic root of 1520612232 is about 1149.9337660656.

Adding to 1520612232 its reverse (2322160251), we get a palindrome (3842772483).

The spelling of 1520612232 in words is "one billion, five hundred twenty million, six hundred twelve thousand, two hundred thirty-two".