115129048 has 32 divisors (see below), whose sum is σ = 220075200. Its totient is φ = 56450592.

The previous prime is 115129031. The next prime is 115129081. The reversal of 115129048 is 840921511.

It is a happy number.

It is a congruent 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, 185683 + ... + 186301.

It is an arithmetic number, because the mean of its divisors is an integer number (6877350).

Almost surely, 2^115129048 is an apocalyptic number.

It is an amenable number.

115129048 is a deficient number, since it is larger than the sum of its proper divisors (104946152).

115129048 is a wasteful number, since it uses less digits than its factorization.

115129048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 115129048 is about 10729.8205017605. The cubic root of 115129048 is about 486.4762445943.

The spelling of 115129048 in words is "one hundred fifteen million, one hundred twenty-nine thousand, forty-eight".