118912 has 16 divisors (see below), whose sum is σ = 237150. Its totient is φ = 59392.

The previous prime is 118907. The next prime is 118913. The reversal of 118912 is 219811.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 576 = 344^2 + 24^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118913) by changing a digit.

118912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337 + ... + 592.

2¹¹⁸⁹¹² is an apocalyptic number.

It is an amenable number.

118912 is a deficient number, since it is larger than the sum of its proper divisors (118238).

118912 is an frugal number, since it uses more digits than its factorization.

118912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 931 counting only the distinct ones).

The product of its digits is 144, while the sum is 22.

The square root of 118912 is about 344.8361929960. The cubic root of 118912 is about 49.1747198657.

The spelling of 118912 in words is "one hundred eighteen thousand, nine hundred twelve".