117348021 has 40 divisors (see below), whose sum is σ = 203396160. Its totient is φ = 66033792.

The previous prime is 117348017. The next prime is 117348031. The reversal of 117348021 is 120843711.

It is not a de Polignac number, because 117348021 - 2² = 117348017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117348031) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36445 + ... + 39533.

It is an arithmetic number, because the mean of its divisors is an integer number (5084904).

Almost surely, 2^117348021 is an apocalyptic number.

It is an amenable number.

117348021 is a deficient number, since it is larger than the sum of its proper divisors (86048139).

117348021 is an equidigital number, since it uses as much as digits as its factorization.

117348021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175 (or 3166 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 117348021 is about 10832.7291575115. The cubic root of 117348021 is about 489.5817908813.

It can be divided in two parts, 1173 and 48021, that added together give a palindrome (49194).

The spelling of 117348021 in words is "one hundred seventeen million, three hundred forty-eight thousand, twenty-one".