1132312520 has 32 divisors (see below), whose sum is σ = 2571523200. Its totient is φ = 448690368.

The previous prime is 1132312513. The next prime is 1132312549. The reversal of 1132312520 is 252132311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1132312492 and 1132312501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128000 + ... + 136559.

It is an arithmetic number, because the mean of its divisors is an integer number (80360100).

Almost surely, 2^1132312520 is an apocalyptic number.

1132312520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132312520 is an abundant number, since it is smaller than the sum of its proper divisors (1439210680).

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

1132312520 is a wasteful number, since it uses less digits than its factorization.

1132312520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264677 (or 264673 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1132312520 is about 33649.8517084400. The cubic root of 1132312520 is about 1042.2904769402.

Adding to 1132312520 its reverse (252132311), we get a palindrome (1384444831).

The spelling of 1132312520 in words is "one billion, one hundred thirty-two million, three hundred twelve thousand, five hundred twenty".