117080321 has 4 divisors (see below), whose sum is σ = 120244692. Its totient is φ = 113915952.

The previous prime is 117080303. The next prime is 117080323. The reversal of 117080321 is 123080711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123080711 = 13 ⋅9467747.

It can be written as a sum of positive squares in 2 ways, for example, as 105349696 + 11730625 = 10264^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 117080321 - 2²⁶ = 49971457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117080323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582130 + ... + 1582203.

It is an arithmetic number, because the mean of its divisors is an integer number (30061173).

Almost surely, 2^117080321 is an apocalyptic number.

It is an amenable number.

117080321 is a deficient number, since it is larger than the sum of its proper divisors (3164371).

117080321 is an equidigital number, since it uses as much as digits as its factorization.

117080321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164370.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 117080321 is about 10820.3660289290. The cubic root of 117080321 is about 489.2092215167.

The spelling of 117080321 in words is "one hundred seventeen million, eighty thousand, three hundred twenty-one".