115705130 has 16 divisors (see below), whose sum is σ = 208400040. Its totient is φ = 46252992.

The previous prime is 115705123. The next prime is 115705141. The reversal of 115705130 is 31507511.

It can be written as a sum of positive squares in 4 ways, for example, as 106481761 + 9223369 = 10319^2 + 3037^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115705096 and 115705105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21116 + ... + 26024.

Almost surely, 2^115705130 is an apocalyptic number.

115705130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115705130 is a deficient number, since it is larger than the sum of its proper divisors (92694910).

115705130 is a wasteful number, since it uses less digits than its factorization.

115705130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273.

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

The square root of 115705130 is about 10756.6319078046. The cubic root of 115705130 is about 487.2863038853.

The spelling of 115705130 in words is "one hundred fifteen million, seven hundred five thousand, one hundred thirty".