129201932 has 6 divisors (see below), whose sum is σ = 226103388. Its totient is φ = 64600964.

The previous prime is 129201913. The next prime is 129201959. The reversal of 129201932 is 239102921.

It is a junction number, because it is equal to n+sod(n) for n = 129201895 and 129201904.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16150238 + ... + 16150245.

It is an arithmetic number, because the mean of its divisors is an integer number (37683898).

Almost surely, 2^129201932 is an apocalyptic number.

It is an amenable number.

129201932 is a deficient number, since it is larger than the sum of its proper divisors (96901456).

129201932 is a wasteful number, since it uses less digits than its factorization.

129201932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32300487 (or 32300485 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 129201932 is about 11366.7027760912. The cubic root of 129201932 is about 505.5409450317.

The spelling of 129201932 in words is "one hundred twenty-nine million, two hundred one thousand, nine hundred thirty-two".