117995 has 4 divisors (see below), whose sum is σ = 141600. Its totient is φ = 94392.

The previous prime is 117991. The next prime is 118033. The reversal of 117995 is 599711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117995 - 2² = 117991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11795 + ... + 11804.

It is an arithmetic number, because the mean of its divisors is an integer number (35400).

2¹¹⁷⁹⁹⁵ is an apocalyptic number.

117995 is a deficient number, since it is larger than the sum of its proper divisors (23605).

117995 is an equidigital number, since it uses as much as digits as its factorization.

117995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23604.

The product of its digits is 2835, while the sum is 32.

The square root of 117995 is about 343.5040028879. The cubic root of 117995 is about 49.0479885275.

The spelling of 117995 in words is "one hundred seventeen thousand, nine hundred ninety-five".