117724871 has 8 divisors (see below), whose sum is σ = 128595600. Its totient is φ = 106882240.

The previous prime is 117724843. The next prime is 117724877. The reversal of 117724871 is 178427711.

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 117724871 - 2¹⁸ = 117462727 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 (117724877) 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, 2285 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (16074450).

Almost surely, 2^117724871 is an apocalyptic number.

117724871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117724871 is a deficient number, since it is larger than the sum of its proper divisors (10870729).

117724871 is a wasteful number, since it uses less digits than its factorization.

117724871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049.

The product of its digits is 21952, while the sum is 38.

The square root of 117724871 is about 10850.1092621227. The cubic root of 117724871 is about 490.1053098657.

The spelling of 117724871 in words is "one hundred seventeen million, seven hundred twenty-four thousand, eight hundred seventy-one".