117949 has 8 divisors (see below), whose sum is σ = 130592. Its totient is φ = 105840.

The previous prime is 117937. The next prime is 117959. The reversal of 117949 is 949711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117949 - 2⁵ = 117917 is a prime.

It is a Duffinian number.

117949 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 117949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117959) 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 7 ways as a sum of consecutive naturals, for example, 454 + ... + 664.

It is an arithmetic number, because the mean of its divisors is an integer number (16324).

2¹¹⁷⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

117949 is a deficient number, since it is larger than the sum of its proper divisors (12643).

117949 is a wasteful number, since it uses less digits than its factorization.

117949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 2268, while the sum is 31.

The square root of 117949 is about 343.4370393536. The cubic root of 117949 is about 49.0416139615.

The spelling of 117949 in words is "one hundred seventeen thousand, nine hundred forty-nine".