117157371 has 4 divisors (see below), whose sum is σ = 156209832. Its totient is φ = 78104912.

The previous prime is 117157349. The next prime is 117157399. The reversal of 117157371 is 173751711.

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 117157371 - 2¹⁸ = 116895227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117157771) 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, 19526226 + ... + 19526231.

It is an arithmetic number, because the mean of its divisors is an integer number (39052458).

Almost surely, 2^117157371 is an apocalyptic number.

117157371 is a deficient number, since it is larger than the sum of its proper divisors (39052461).

117157371 is an equidigital number, since it uses as much as digits as its factorization.

117157371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39052460.

The product of its digits is 5145, while the sum is 33.

The square root of 117157371 is about 10823.9258589479. The cubic root of 117157371 is about 489.3165134014.

The spelling of 117157371 in words is "one hundred seventeen million, one hundred fifty-seven thousand, three hundred seventy-one".