115799120 has 40 divisors (see below), whose sum is σ = 270284040. Its totient is φ = 46138880.

The previous prime is 115799119. The next prime is 115799141. The reversal of 115799120 is 21997511.

It is a Cunningham number, because it is equal to 10761²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 107584 + 115691536 = 328^2 + 10756^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18830 + ... + 24210.

It is an arithmetic number, because the mean of its divisors is an integer number (6757101).

Almost surely, 2^115799120 is an apocalyptic number.

115799120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115799120 is an abundant number, since it is smaller than the sum of its proper divisors (154484920).

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

115799120 is a wasteful number, since it uses less digits than its factorization.

115799120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663 (or 5657 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

The square root of 115799120 is about 10760.9999535359. Note that the first 4 decimals coincide. The cubic root of 115799120 is about 487.4182128848.

The spelling of 115799120 in words is "one hundred fifteen million, seven hundred ninety-nine thousand, one hundred twenty".