130172504 has 32 divisors (see below), whose sum is σ = 304300800. Its totient is φ = 50716320.

The previous prime is 130172501. The next prime is 130172543. The reversal of 130172504 is 405271031.

It is a self number, because there is not a number n which added to its sum of digits gives 130172504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130172501) 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, 105044 + ... + 106275.

It is an arithmetic number, because the mean of its divisors is an integer number (9509400).

Almost surely, 2^130172504 is an apocalyptic number.

130172504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130172504 is an abundant number, since it is smaller than the sum of its proper divisors (174128296).

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

130172504 is a wasteful number, since it uses less digits than its factorization.

130172504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211343 (or 211339 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 130172504 is about 11409.3165439478. The cubic root of 130172504 is about 506.8036721678.

The spelling of 130172504 in words is "one hundred thirty million, one hundred seventy-two thousand, five hundred four".