118289 has 8 divisors (see below), whose sum is σ = 127680. Its totient is φ = 109296.

The previous prime is 118277. The next prime is 118297. The reversal of 118289 is 982811.

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

It is not a de Polignac number, because 118289 - 2⁴ = 118273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118219) 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, 782 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2¹¹⁸²⁸⁹ is an apocalyptic number.

It is an amenable number.

118289 is a deficient number, since it is larger than the sum of its proper divisors (9391).

118289 is a wasteful number, since it uses less digits than its factorization.

118289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199.

The product of its digits is 1152, while the sum is 29.

The square root of 118289 is about 343.9316792620. The cubic root of 118289 is about 49.0886912370.

The spelling of 118289 in words is "one hundred eighteen thousand, two hundred eighty-nine".