115071530 has 32 divisors (see below), whose sum is σ = 247014144. Its totient is φ = 37737216.

The previous prime is 115071529. The next prime is 115071547. The reversal of 115071530 is 35170511.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 115071496 and 115071505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34127 + ... + 37346.

It is an arithmetic number, because the mean of its divisors is an integer number (7719192).

Almost surely, 2^115071530 is an apocalyptic number.

115071530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115071530 is an abundant number, since it is smaller than the sum of its proper divisors (131942614).

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

115071530 is a wasteful number, since it uses less digits than its factorization.

115071530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71510.

The product of its (nonzero) digits is 525, while the sum is 23.

The square root of 115071530 is about 10727.1398797629. The cubic root of 115071530 is about 486.3952172539.

The spelling of 115071530 in words is "one hundred fifteen million, seventy-one thousand, five hundred thirty".