115742857 has 8 divisors (see below), whose sum is σ = 120456000. Its totient is φ = 111077904.

The previous prime is 115742843. The next prime is 115742867. The reversal of 115742857 is 758247511.

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 115742857 - 2⁷ = 115742729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115742807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7107 + ... + 16792.

It is an arithmetic number, because the mean of its divisors is an integer number (15057000).

Almost surely, 2^115742857 is an apocalyptic number.

It is an amenable number.

115742857 is a deficient number, since it is larger than the sum of its proper divisors (4713143).

115742857 is a wasteful number, since it uses less digits than its factorization.

115742857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24095.

The product of its digits is 78400, while the sum is 40.

The square root of 115742857 is about 10758.3854271912. The cubic root of 115742857 is about 487.3392599143.

The spelling of 115742857 in words is "one hundred fifteen million, seven hundred forty-two thousand, eight hundred fifty-seven".