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115788 = 2239649

115788 has 12 divisors (see below), whose sum is σ = 270200. Its totient is φ = 38592.

The previous prime is 115783. The next prime is 115793. The reversal of 115788 is 887511.

It can be divided in two parts, 115 and 788, that added together give a triangular number (903 = T42).

It is an interprime number because it is at equal distance from previous prime (115783) and next prime (115793).

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (115781) by changing a digit.

115788 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4813 + ... + 4836.

2115788 is an apocalyptic number.

It is an amenable number.

115788 is an abundant number, since it is smaller than the sum of its proper divisors (154412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115788 is a wasteful number, since it uses less digits than its factorization.

115788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656 (or 9654 counting only the distinct ones).

The product of its digits is 2240, while the sum is 30.

The square root of 115788 is about 340.2763582737. The cubic root of 115788 is about 48.7402610394.

The spelling of 115788 in words is "one hundred fifteen thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 12 9649 19298 28947 38596 57894 115788