117603921 has 8 divisors (see below), whose sum is σ = 157001824. Its totient is φ = 78304320.

The previous prime is 117603911. The next prime is 117603931. The reversal of 117603921 is 129306711.

It is an interprime number because it is at equal distance from previous prime (117603911) and next prime (117603931).

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

It is not a de Polignac number, because 117603921 - 2⁷ = 117603793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117603911) 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, 21736 + ... + 26601.

It is an arithmetic number, because the mean of its divisors is an integer number (19625228).

Almost surely, 2^117603921 is an apocalyptic number.

It is an amenable number.

117603921 is a deficient number, since it is larger than the sum of its proper divisors (39397903).

117603921 is an equidigital number, since it uses as much as digits as its factorization.

117603921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49151.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 117603921 is about 10844.5341532036. The cubic root of 117603921 is about 489.9374083593.

The spelling of 117603921 in words is "one hundred seventeen million, six hundred three thousand, nine hundred twenty-one".