115928243 has 4 divisors (see below), whose sum is σ = 117828768. Its totient is φ = 114027720.

The previous prime is 115928233. The next prime is 115928249. The reversal of 115928243 is 342829511.

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

It is a cyclic number.

It is not a de Polignac number, because 115928243 - 2¹² = 115924147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115928249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950171 + ... + 950292.

It is an arithmetic number, because the mean of its divisors is an integer number (29457192).

Almost surely, 2^115928243 is an apocalyptic number.

115928243 is a deficient number, since it is larger than the sum of its proper divisors (1900525).

115928243 is an equidigital number, since it uses as much as digits as its factorization.

115928243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900524.

The product of its digits is 17280, while the sum is 35.

The square root of 115928243 is about 10766.9978638430. The cubic root of 115928243 is about 487.5993124866.

The spelling of 115928243 in words is "one hundred fifteen million, nine hundred twenty-eight thousand, two hundred forty-three".