1503312132 has 24 divisors (see below), whose sum is σ = 4008832576. Its totient is φ = 429517728.

The previous prime is 1503312119. The next prime is 1503312137. The reversal of 1503312132 is 2312133051.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1503312099 and 1503312108.

It is not an unprimeable number, because it can be changed into a prime (1503312137) 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, 8948203 + ... + 8948370.

Almost surely, 2^1503312132 is an apocalyptic number.

1503312132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1503312132 is an abundant number, since it is smaller than the sum of its proper divisors (2505520444).

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

1503312132 is a wasteful number, since it uses less digits than its factorization.

1503312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17896587 (or 17896585 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1503312132 is about 38772.5693242014. The cubic root of 1503312132 is about 1145.5561664372.

Adding to 1503312132 its reverse (2312133051), we get a palindrome (3815445183).

The spelling of 1503312132 in words is "one billion, five hundred three million, three hundred twelve thousand, one hundred thirty-two".