115057729 has 8 divisors (see below), whose sum is σ = 117270720. Its totient is φ = 112853616.

The previous prime is 115057721. The next prime is 115057741. The reversal of 115057729 is 927750511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115057729 - 2³ = 115057721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115057721) by changing a digit.

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, 27739 + ... + 31615.

It is an arithmetic number, because the mean of its divisors is an integer number (14658840).

Almost surely, 2^115057729 is an apocalyptic number.

It is an amenable number.

115057729 is a deficient number, since it is larger than the sum of its proper divisors (2212991).

115057729 is an equidigital number, since it uses as much as digits as its factorization.

115057729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439.

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 115057729 is about 10726.4965855586. The cubic root of 115057729 is about 486.3757713528.

The spelling of 115057729 in words is "one hundred fifteen million, fifty-seven thousand, seven hundred twenty-nine".