118615728 has 160 divisors (see below), whose sum is σ = 388546560. Its totient is φ = 30286080.

The previous prime is 118615687. The next prime is 118615751. The reversal of 118615728 is 827516811.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247393 + ... + 247871.

It is an arithmetic number, because the mean of its divisors is an integer number (2428416).

Almost surely, 2^118615728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118615728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194273280).

118615728 is an abundant number, since it is smaller than the sum of its proper divisors (269930832).

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

118615728 is a wasteful number, since it uses less digits than its factorization.

118615728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 569 counting only the distinct ones).

The product of its digits is 26880, while the sum is 39.

The square root of 118615728 is about 10891.0847944546. The cubic root of 118615728 is about 491.3384591656.

The spelling of 118615728 in words is "one hundred eighteen million, six hundred fifteen thousand, seven hundred twenty-eight".