115912 has 8 divisors (see below), whose sum is σ = 217350. Its totient is φ = 57952.
The previous prime is 115903. The next prime is 115931. The reversal of 115912 is 219511.
It can be written as a sum of positive squares in only one way, i.e., 111556 + 4356 = 334^2 + 66^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 115912.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7237 + ... + 7252.
2115912 is an apocalyptic number.
It is an amenable number.
115912 is a deficient number, since it is larger than the sum of its proper divisors (101438).
115912 is a wasteful number, since it uses less digits than its factorization.
115912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14495 (or 14491 counting only the distinct ones).
The product of its digits is 90, while the sum is 19.
The square root of 115912 is about 340.4585143597. The cubic root of 115912 is about 48.7576538498.
The spelling of 115912 in words is "one hundred fifteen thousand, nine hundred twelve".
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