115321742 has 4 divisors (see below), whose sum is σ = 172982616. Its totient is φ = 57660870.

The previous prime is 115321733. The next prime is 115321753. The reversal of 115321742 is 247123511.

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, 28830434 + ... + 28830437.

It is an arithmetic number, because the mean of its divisors is an integer number (43245654).

Almost surely, 2^115321742 is an apocalyptic number.

115321742 is a deficient number, since it is larger than the sum of its proper divisors (57660874).

115321742 is an equidigital number, since it uses as much as digits as its factorization.

115321742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57660873.

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

The square root of 115321742 is about 10738.7961150215. The cubic root of 115321742 is about 486.7475019496.

The spelling of 115321742 in words is "one hundred fifteen million, three hundred twenty-one thousand, seven hundred forty-two".