117812841 has 8 divisors (see below), whose sum is σ = 157551264. Its totient is φ = 78308160.

The previous prime is 117812837. The next prime is 117812869. The reversal of 117812841 is 148218711.

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

It is not a de Polignac number, because 117812841 - 2² = 117812837 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (117812801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57255 + ... + 59276.

It is an arithmetic number, because the mean of its divisors is an integer number (19693908).

Almost surely, 2^117812841 is an apocalyptic number.

It is an amenable number.

117812841 is a deficient number, since it is larger than the sum of its proper divisors (39738423).

117812841 is a wasteful number, since it uses less digits than its factorization.

117812841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116871.

The product of its digits is 3584, while the sum is 33.

The square root of 117812841 is about 10854.1623813171. The cubic root of 117812841 is about 490.2273566603.

The spelling of 117812841 in words is "one hundred seventeen million, eight hundred twelve thousand, eight hundred forty-one".