129883272 has 32 divisors (see below), whose sum is σ = 325157280. Its totient is φ = 43234560.

The previous prime is 129883253. The next prime is 129883301. The reversal of 129883272 is 272388921.

It is a happy 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, 16128 + ... + 22800.

It is an arithmetic number, because the mean of its divisors is an integer number (10161165).

Almost surely, 2^129883272 is an apocalyptic number.

129883272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129883272 is an abundant number, since it is smaller than the sum of its proper divisors (195274008).

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

129883272 is a wasteful number, since it uses less digits than its factorization.

129883272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7493 (or 7489 counting only the distinct ones).

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

The square root of 129883272 is about 11396.6342399851. The cubic root of 129883272 is about 506.4280359033.

The spelling of 129883272 in words is "one hundred twenty-nine million, eight hundred eighty-three thousand, two hundred seventy-two".