117296021 has 4 divisors (see below), whose sum is σ = 122395872. Its totient is φ = 112196172.

The previous prime is 117296017. The next prime is 117296027. The reversal of 117296021 is 120692711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117296021 - 2² = 117296017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117296027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549891 + ... + 2549936.

It is an arithmetic number, because the mean of its divisors is an integer number (30598968).

Almost surely, 2^117296021 is an apocalyptic number.

It is an amenable number.

117296021 is a deficient number, since it is larger than the sum of its proper divisors (5099851).

117296021 is an equidigital number, since it uses as much as digits as its factorization.

117296021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099850.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 117296021 is about 10830.3287577063. The cubic root of 117296021 is about 489.5094646667.

The spelling of 117296021 in words is "one hundred seventeen million, two hundred ninety-six thousand, twenty-one".