115270128 has 100 divisors (see below), whose sum is σ = 345242040. Its totient is φ = 37086336.

The previous prime is 115270123. The next prime is 115270159. The reversal of 115270128 is 821072511.

115270128 is a `hidden beast` number, since 11 + 527 + 0 + 128 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115270123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36051 + ... + 39117.

Almost surely, 2^115270128 is an apocalyptic number.

115270128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115270128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172621020).

115270128 is an abundant number, since it is smaller than the sum of its proper divisors (229971912).

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

115270128 is a wasteful number, since it uses less digits than its factorization.

115270128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3101 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 115270128 is about 10736.3926902848. The cubic root of 115270128 is about 486.6748740302.

The spelling of 115270128 in words is "one hundred fifteen million, two hundred seventy thousand, one hundred twenty-eight".