118099 has 4 divisors (see below), whose sum is σ = 125064. Its totient is φ = 111136.

The previous prime is 118093. The next prime is 118127. The reversal of 118099 is 990811.

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 118099 - 2¹⁵ = 85331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118093) 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, 3457 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (31266).

2¹¹⁸⁰⁹⁹ is an apocalyptic number.

118099 is a deficient number, since it is larger than the sum of its proper divisors (6965).

118099 is an equidigital number, since it uses as much as digits as its factorization.

118099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6964.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 118099 is about 343.6553506058. The cubic root of 118099 is about 49.0623944850.

The spelling of 118099 in words is "one hundred eighteen thousand, ninety-nine".