117953 has 4 divisors (see below), whose sum is σ = 128688. Its totient is φ = 107220.

The previous prime is 117937. The next prime is 117959. The reversal of 117953 is 359711.

117953 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117953 - 2⁴ = 117937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5351 + ... + 5372.

It is an arithmetic number, because the mean of its divisors is an integer number (32172).

2¹¹⁷⁹⁵³ is an apocalyptic number.

It is an amenable number.

117953 is a deficient number, since it is larger than the sum of its proper divisors (10735).

117953 is a wasteful number, since it uses less digits than its factorization.

117953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10734.

The product of its digits is 945, while the sum is 26.

The square root of 117953 is about 343.4428627880. The cubic root of 117953 is about 49.0421683374.

The spelling of 117953 in words is "one hundred seventeen thousand, nine hundred fifty-three".