115299 has 12 divisors (see below), whose sum is σ = 174096. Its totient is φ = 73392.

The previous prime is 115279. The next prime is 115301. The reversal of 115299 is 992511.

115299 = 17² + 18² + ... + 70².

It is a happy number.

115299 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 115299 - 2¹⁵ = 82531 is a prime.

115299 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115299.

It is not an unprimeable number, because it can be changed into a prime (115249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72 + ... + 485.

It is an arithmetic number, because the mean of its divisors is an integer number (14508).

2¹¹⁵²⁹⁹ is an apocalyptic number.

115299 is a deficient number, since it is larger than the sum of its proper divisors (58797).

115299 is a wasteful number, since it uses less digits than its factorization.

115299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 583 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 115299 is about 339.5570644236. The cubic root of 115299 is about 48.6715503533.

It can be divided in two parts, 115 and 299, that added together give a palindrome (414).

The spelling of 115299 in words is "one hundred fifteen thousand, two hundred ninety-nine".