118307 has 4 divisors (see below), whose sum is σ = 135216. Its totient is φ = 101400.

The previous prime is 118297. The next prime is 118343. The reversal of 118307 is 703811.

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 118307 - 2⁸ = 118051 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 118307.

It is not an unprimeable number, because it can be changed into a prime (118387) 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, 8444 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (33804).

2¹¹⁸³⁰⁷ is an apocalyptic number.

118307 is a deficient number, since it is larger than the sum of its proper divisors (16909).

118307 is an equidigital number, since it uses as much as digits as its factorization.

118307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16908.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 118307 is about 343.9578462545. The cubic root of 118307 is about 49.0911810477.

The spelling of 118307 in words is "one hundred eighteen thousand, three hundred seven".