117948621 has 8 divisors (see below), whose sum is σ = 179731264. Its totient is φ = 67399200.

The previous prime is 117948617. The next prime is 117948641. The reversal of 117948621 is 126849711.

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

It is not a de Polignac number, because 117948621 - 2² = 117948617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117948621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117948641) 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, 2808280 + ... + 2808321.

It is an arithmetic number, because the mean of its divisors is an integer number (22466408).

Almost surely, 2^117948621 is an apocalyptic number.

It is an amenable number.

117948621 is a deficient number, since it is larger than the sum of its proper divisors (61782643).

117948621 is an equidigital number, since it uses as much as digits as its factorization.

117948621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616611.

The product of its digits is 24192, while the sum is 39.

The square root of 117948621 is about 10860.4153235500. The cubic root of 117948621 is about 490.4156143376.

The spelling of 117948621 in words is "one hundred seventeen million, nine hundred forty-eight thousand, six hundred twenty-one".