118312 has 16 divisors (see below), whose sum is σ = 231840. Its totient is φ = 56496.
The previous prime is 118297. The next prime is 118343. The reversal of 118312 is 213811.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138 + ... + 505.
It is an arithmetic number, because the mean of its divisors is an integer number (14490).
2118312 is an apocalyptic number.
It is an amenable number.
118312 is a deficient number, since it is larger than the sum of its proper divisors (113528).
118312 is a wasteful number, since it uses less digits than its factorization.
118312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 672 (or 668 counting only the distinct ones).
The product of its digits is 48, while the sum is 16.
The square root of 118312 is about 343.9651145102. The cubic root of 118312 is about 49.0918726169.
It can be divided in two parts, 1183 and 12, that multiplied together give a triangular number (14196 = T168).
The spelling of 118312 in words is "one hundred eighteen thousand, three hundred twelve".
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