115401057 has 16 divisors (see below), whose sum is σ = 156515328. Its totient is φ = 75617360.

The previous prime is 115401053. The next prime is 115401071. The reversal of 115401057 is 750104511.

It is a cyclic number.

It is not a de Polignac number, because 115401057 - 2² = 115401053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115401053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93748 + ... + 94970.

It is an arithmetic number, because the mean of its divisors is an integer number (9782208).

Almost surely, 2^115401057 is an apocalyptic number.

It is an amenable number.

115401057 is a deficient number, since it is larger than the sum of its proper divisors (41114271).

115401057 is a wasteful number, since it uses less digits than its factorization.

115401057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 115401057 is about 10742.4883988767. The cubic root of 115401057 is about 486.8590667191.

Adding to 115401057 its reverse (750104511), we get a palindrome (865505568).

The spelling of 115401057 in words is "one hundred fifteen million, four hundred one thousand, fifty-seven".