115321994 has 4 divisors (see below), whose sum is σ = 172982994. Its totient is φ = 57660996.

The previous prime is 115321991. The next prime is 115322047. The reversal of 115321994 is 499123511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499123511 = 173 ⋅2885107.

It can be written as a sum of positive squares in only one way, i.e., 105165025 + 10156969 = 10255^2 + 3187^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (115321991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28830497 + ... + 28830500.

Almost surely, 2^115321994 is an apocalyptic number.

115321994 is a deficient number, since it is larger than the sum of its proper divisors (57661000).

115321994 is an equidigital number, since it uses as much as digits as its factorization.

115321994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57660999.

The product of its digits is 9720, while the sum is 35.

The square root of 115321994 is about 10738.8078481738. The cubic root of 115321994 is about 486.7478564947.

The spelling of 115321994 in words is "one hundred fifteen million, three hundred twenty-one thousand, nine hundred ninety-four".