115877231 has 4 divisors (see below), whose sum is σ = 118342752. Its totient is φ = 113411712.

The previous prime is 115877227. The next prime is 115877263. The reversal of 115877231 is 132778511.

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: 132778511 = 157 ⋅845723.

It is a cyclic number.

It is not a de Polignac number, because 115877231 - 2² = 115877227 is a prime.

It is a super-2 number, since 2×115877231² = 26855065328454722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115877191 and 115877200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115877221) 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, 1232690 + ... + 1232783.

It is an arithmetic number, because the mean of its divisors is an integer number (29585688).

Almost surely, 2^115877231 is an apocalyptic number.

115877231 is a deficient number, since it is larger than the sum of its proper divisors (2465521).

115877231 is an equidigital number, since it uses as much as digits as its factorization.

115877231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465520.

The product of its digits is 11760, while the sum is 35.

The square root of 115877231 is about 10764.6286977304. The cubic root of 115877231 is about 487.5277824184.

It can be divided in two parts, 1158 and 77231, that multiplied together give a palindrome (89433498).

The spelling of 115877231 in words is "one hundred fifteen million, eight hundred seventy-seven thousand, two hundred thirty-one".