129873048 has 16 divisors (see below), whose sum is σ = 324682680. Its totient is φ = 43291008.

The previous prime is 129873041. The next prime is 129873053. The reversal of 129873048 is 840378921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129873041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705665 + ... + 2705712.

Almost surely, 2^129873048 is an apocalyptic number.

It is an amenable number.

129873048 is an abundant number, since it is smaller than the sum of its proper divisors (194809632).

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

129873048 is a wasteful number, since it uses less digits than its factorization.

129873048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411386 (or 5411382 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 129873048 is about 11396.1856776730. The cubic root of 129873048 is about 506.4147474174.

The spelling of 129873048 in words is "one hundred twenty-nine million, eight hundred seventy-three thousand, forty-eight".