129954424 has 16 divisors (see below), whose sum is σ = 247097520. Its totient is φ = 64061760.

The previous prime is 129954371. The next prime is 129954469. The reversal of 129954424 is 424459921.

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, 113829 + ... + 114964.

It is an arithmetic number, because the mean of its divisors is an integer number (15443595).

Almost surely, 2^129954424 is an apocalyptic number.

It is an amenable number.

129954424 is a deficient number, since it is larger than the sum of its proper divisors (117143096).

129954424 is a wasteful number, since it uses less digits than its factorization.

129954424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228870 (or 228866 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 129954424 is about 11399.7554359732. The cubic root of 129954424 is about 506.5204953073.

The spelling of 129954424 in words is "one hundred twenty-nine million, nine hundred fifty-four thousand, four hundred twenty-four".