115947 has 12 divisors (see below), whose sum is σ = 180544. Its totient is φ = 71280.
The previous prime is 115933. The next prime is 115963. The reversal of 115947 is 749511.
It is not a de Polignac number, because 115947 - 24 = 115931 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 115947.
It is not an unprimeable number, because it can be changed into a prime (115987) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379 + ... + 612.
2115947 is an apocalyptic number.
115947 is a deficient number, since it is larger than the sum of its proper divisors (64597).
115947 is a wasteful number, since it uses less digits than its factorization.
115947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1010 (or 1007 counting only the distinct ones).
The product of its digits is 1260, while the sum is 27.
The square root of 115947 is about 340.5099117500. The cubic root of 115947 is about 48.7625608659.
The spelling of 115947 in words is "one hundred fifteen thousand, nine hundred forty-seven".
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