1501312132 has 24 divisors (see below), whose sum is σ = 2817763200. Its totient is φ = 697728096.

The previous prime is 1501312123. The next prime is 1501312133. The reversal of 1501312132 is 2312131051.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1501312133) 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, 182332 + ... + 190387.

It is an arithmetic number, because the mean of its divisors is an integer number (117406800).

Almost surely, 2^1501312132 is an apocalyptic number.

It is an amenable number.

1501312132 is a deficient number, since it is larger than the sum of its proper divisors (1316451068).

1501312132 is a wasteful number, since it uses less digits than its factorization.

1501312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372795 (or 372793 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1501312132 is about 38746.7693104857. The cubic root of 1501312132 is about 1145.0479266502.

Adding to 1501312132 its reverse (2312131051), we get a palindrome (3813443183).

The spelling of 1501312132 in words is "one billion, five hundred one million, three hundred twelve thousand, one hundred thirty-two".