115199 has 6 divisors (see below), whose sum is σ = 134064. Its totient is φ = 98700.

The previous prime is 115183. The next prime is 115201. The reversal of 115199 is 991511.

It is a happy number.

It is not a de Polignac number, because 115199 - 2⁴ = 115183 is a prime.

It is a plaindrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115199.

It is not an unprimeable number, because it can be changed into a prime (115099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1127 + ... + 1224.

It is an arithmetic number, because the mean of its divisors is an integer number (22344).

2¹¹⁵¹⁹⁹ is an apocalyptic number.

115199 is a deficient number, since it is larger than the sum of its proper divisors (18865).

115199 is an equidigital number, since it uses as much as digits as its factorization.

115199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2358 counting only the distinct ones).

The product of its digits is 405, while the sum is 26.

The square root of 115199 is about 339.4097818272. The cubic root of 115199 is about 48.6574751725.

The spelling of 115199 in words is "one hundred fifteen thousand, one hundred ninety-nine".