117342021 has 8 divisors (see below), whose sum is σ = 163258560. Its totient is φ = 74826752.

The previous prime is 117342019. The next prime is 117342023. The reversal of 117342021 is 120243711.

It is an interprime number because it is at equal distance from previous prime (117342019) and next prime (117342023).

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 117342021 - 2¹ = 117342019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117342023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850236 + ... + 850373.

It is an arithmetic number, because the mean of its divisors is an integer number (20407320).

Almost surely, 2^117342021 is an apocalyptic number.

It is an amenable number.

117342021 is a deficient number, since it is larger than the sum of its proper divisors (45916539).

117342021 is a wasteful number, since it uses less digits than its factorization.

117342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700635.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 117342021 is about 10832.4522154496. The cubic root of 117342021 is about 489.5734466394.

Adding to 117342021 its reverse (120243711), we get a palindrome (237585732).

The spelling of 117342021 in words is "one hundred seventeen million, three hundred forty-two thousand, twenty-one".