115402057 has 8 divisors (see below), whose sum is σ = 121079552. Its totient is φ = 109846800.

The previous prime is 115402039. The next prime is 115402081. The reversal of 115402057 is 750204511.

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 115402057 - 2⁷ = 115401929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115402457) 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, 28623 + ... + 32404.

It is an arithmetic number, because the mean of its divisors is an integer number (15134944).

Almost surely, 2^115402057 is an apocalyptic number.

It is an amenable number.

115402057 is a deficient number, since it is larger than the sum of its proper divisors (5677495).

115402057 is an equidigital number, since it uses as much as digits as its factorization.

115402057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61119.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 115402057 is about 10742.5349429266. The cubic root of 115402057 is about 486.8604729964.

Adding to 115402057 its reverse (750204511), we get a palindrome (865606568).

The spelling of 115402057 in words is "one hundred fifteen million, four hundred two thousand, fifty-seven".