115057217 has 8 divisors (see below), whose sum is σ = 132123360. Its totient is φ = 99092160.

The previous prime is 115057211. The next prime is 115057277. The reversal of 115057217 is 712750511.

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 115057217 - 2⁸ = 115056961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115057217.

It is not an unprimeable number, because it can be changed into a prime (115057211) 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, 275048 + ... + 275465.

It is an arithmetic number, because the mean of its divisors is an integer number (16515420).

Almost surely, 2^115057217 is an apocalyptic number.

It is an amenable number.

115057217 is a deficient number, since it is larger than the sum of its proper divisors (17066143).

115057217 is a wasteful number, since it uses less digits than its factorization.

115057217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550543.

The product of its (nonzero) digits is 2450, while the sum is 29.

The square root of 115057217 is about 10726.4727193985. The cubic root of 115057217 is about 486.3750499041.

The spelling of 115057217 in words is "one hundred fifteen million, fifty-seven thousand, two hundred seventeen".