115171942 has 4 divisors (see below), whose sum is σ = 172757916. Its totient is φ = 57585970.

The previous prime is 115171933. The next prime is 115171997. The reversal of 115171942 is 249171511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28792984 + ... + 28792987.

It is an arithmetic number, because the mean of its divisors is an integer number (43189479).

Almost surely, 2^115171942 is an apocalyptic number.

115171942 is a deficient number, since it is larger than the sum of its proper divisors (57585974).

115171942 is an equidigital number, since it uses as much as digits as its factorization.

115171942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57585973.

The product of its digits is 2520, while the sum is 31.

The square root of 115171942 is about 10731.8191374995. The cubic root of 115171942 is about 486.5366530995.

The spelling of 115171942 in words is "one hundred fifteen million, one hundred seventy-one thousand, nine hundred forty-two".