115700642 has 4 divisors (see below), whose sum is σ = 173550966. Its totient is φ = 57850320.

The previous prime is 115700639. The next prime is 115700701. The reversal of 115700642 is 246007511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246007511 = 1979 ⋅124309.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 49294441 = 8149^2 + 7021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28925159 + ... + 28925162.

Almost surely, 2^115700642 is an apocalyptic number.

115700642 is a deficient number, since it is larger than the sum of its proper divisors (57850324).

115700642 is an equidigital number, since it uses as much as digits as its factorization.

115700642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57850323.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 115700642 is about 10756.4232902950. The cubic root of 115700642 is about 487.2800034754.

The spelling of 115700642 in words is "one hundred fifteen million, seven hundred thousand, six hundred forty-two".