129025794 has 16 divisors (see below), whose sum is σ = 258706368. Its totient is φ = 42899472.

The previous prime is 129025781. The next prime is 129025859. The reversal of 129025794 is 497520921.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24702 + ... + 29465.

It is an arithmetic number, because the mean of its divisors is an integer number (16169148).

Almost surely, 2^129025794 is an apocalyptic number.

129025794 is an abundant number, since it is smaller than the sum of its proper divisors (129680574).

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

129025794 is a wasteful number, since it uses less digits than its factorization.

129025794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54569.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 129025794 is about 11358.9521523774. The cubic root of 129025794 is about 505.3111098050.

The spelling of 129025794 in words is "one hundred twenty-nine million, twenty-five thousand, seven hundred ninety-four".