115102878 has 32 divisors (see below), whose sum is σ = 252218880. Its totient is φ = 34728960.

The previous prime is 115102877. The next prime is 115102901. The reversal of 115102878 is 878201511.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115102877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12126 + ... + 19422.

It is an arithmetic number, because the mean of its divisors is an integer number (7881840).

Almost surely, 2^115102878 is an apocalyptic number.

115102878 is an abundant number, since it is smaller than the sum of its proper divisors (137116002).

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

115102878 is a wasteful number, since it uses less digits than its factorization.

115102878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552.

The product of its (nonzero) digits is 4480, while the sum is 33.

The square root of 115102878 is about 10728.6009339522. The cubic root of 115102878 is about 486.4393814733.

The spelling of 115102878 in words is "one hundred fifteen million, one hundred two thousand, eight hundred seventy-eight".