115920860 has 24 divisors (see below), whose sum is σ = 265564656. Its totient is φ = 42152960.

The previous prime is 115920853. The next prime is 115920863. The reversal of 115920860 is 68029511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115920863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263237 + ... + 263676.

It is an arithmetic number, because the mean of its divisors is an integer number (11065194).

Almost surely, 2^115920860 is an apocalyptic number.

115920860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115920860 is an abundant number, since it is smaller than the sum of its proper divisors (149643796).

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

115920860 is a wasteful number, since it uses less digits than its factorization.

115920860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526933 (or 526931 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 115920860 is about 10766.6550051536. The cubic root of 115920860 is about 487.5889611921.

The spelling of 115920860 in words is "one hundred fifteen million, nine hundred twenty thousand, eight hundred sixty".