129132624 has 20 divisors (see below), whose sum is σ = 333592736. Its totient is φ = 43044192.

The previous prime is 129132613. The next prime is 129132631. The reversal of 129132624 is 426231921.

It is a super-2 number, since 2×129132624² = 33350469162250752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129132591 and 129132600.

It is a congruent number.

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, 1345084 + ... + 1345179.

Almost surely, 2^129132624 is an apocalyptic number.

It is an amenable number.

129132624 is an abundant number, since it is smaller than the sum of its proper divisors (204460112).

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

129132624 is a wasteful number, since it uses less digits than its factorization.

129132624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690274 (or 2690268 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 129132624 is about 11363.6536378051. The cubic root of 129132624 is about 505.4505328159.

The spelling of 129132624 in words is "one hundred twenty-nine million, one hundred thirty-two thousand, six hundred twenty-four".