117970591 has 8 divisors (see below), whose sum is σ = 119394000. Its totient is φ = 116553600.

The previous prime is 117970549. The next prime is 117970597. The reversal of 117970591 is 195079711.

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 117970591 - 2¹³ = 117962399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117970597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42360 + ... + 45058.

It is an arithmetic number, because the mean of its divisors is an integer number (14924250).

Almost surely, 2^117970591 is an apocalyptic number.

117970591 is a deficient number, since it is larger than the sum of its proper divisors (1423409).

117970591 is a wasteful number, since it uses less digits than its factorization.

117970591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 19845, while the sum is 40.

The square root of 117970591 is about 10861.4267479001. The cubic root of 117970591 is about 490.4460619513.

The spelling of 117970591 in words is "one hundred seventeen million, nine hundred seventy thousand, five hundred ninety-one".