129932488 has 32 divisors (see below), whose sum is σ = 293083200. Its totient is φ = 52754112.

The previous prime is 129932483. The next prime is 129932503. The reversal of 129932488 is 884239921.

It is not an unprimeable number, because it can be changed into a prime (129932483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59995 + ... + 62122.

It is an arithmetic number, because the mean of its divisors is an integer number (9158850).

Almost surely, 2^129932488 is an apocalyptic number.

It is an amenable number.

129932488 is an abundant number, since it is smaller than the sum of its proper divisors (163150712).

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

129932488 is a wasteful number, since it uses less digits than its factorization.

129932488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122149 (or 122145 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The square root of 129932488 is about 11398.7932694650. The cubic root of 129932488 is about 506.4919938822.

The spelling of 129932488 in words is "one hundred twenty-nine million, nine hundred thirty-two thousand, four hundred eighty-eight".