118839 has 8 divisors (see below), whose sum is σ = 181120. Its totient is φ = 67896.

The previous prime is 118831. The next prime is 118843. The reversal of 118839 is 938811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118839 - 2³ = 118831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2809 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (22640).

2¹¹⁸⁸³⁹ is an apocalyptic number.

118839 is a deficient number, since it is larger than the sum of its proper divisors (62281).

118839 is an equidigital number, since it uses as much as digits as its factorization.

118839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669.

The product of its digits is 1728, while the sum is 30.

The square root of 118839 is about 344.7303293881. The cubic root of 118839 is about 49.1646550296.

The spelling of 118839 in words is "one hundred eighteen thousand, eight hundred thirty-nine".