118285 has 8 divisors (see below), whose sum is σ = 145656. Its totient is φ = 92160.

The previous prime is 118277. The next prime is 118297. The reversal of 118285 is 582811.

It can be written as a sum of positive squares in 4 ways, for example, as 17161 + 101124 = 131^2 + 318^2 .

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

It is not a de Polignac number, because 118285 - 2³ = 118277 is a prime.

It is a Duffinian number.

118285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84 + ... + 493.

It is an arithmetic number, because the mean of its divisors is an integer number (18207).

2¹¹⁸²⁸⁵ is an apocalyptic number.

It is an amenable number.

118285 is a deficient number, since it is larger than the sum of its proper divisors (27371).

118285 is an equidigital number, since it uses as much as digits as its factorization.

118285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 640, while the sum is 25.

The square root of 118285 is about 343.9258641045. The cubic root of 118285 is about 49.0881379115.

The spelling of 118285 in words is "one hundred eighteen thousand, two hundred eighty-five".