129579030 has 72 divisors (see below), whose sum is σ = 391923792. Its totient is φ = 29617056.

The previous prime is 129579029. The next prime is 129579041. The reversal of 129579030 is 30975921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10282 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (5443386).

Almost surely, 2^129579030 is an apocalyptic number.

129579030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129579030 is an abundant number, since it is smaller than the sum of its proper divisors (262344762).

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

129579030 is a wasteful number, since it uses less digits than its factorization.

129579030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29410 (or 29400 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 129579030 is about 11383.2785259784. The cubic root of 129579030 is about 506.0323032906.

The spelling of 129579030 in words is "one hundred twenty-nine million, five hundred seventy-nine thousand, thirty".