117310621 has 4 divisors (see below), whose sum is σ = 117519552. Its totient is φ = 117101692.

The previous prime is 117310577. The next prime is 117310639. The reversal of 117310621 is 126013711.

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 117310621 - 2¹³ = 117302429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117310592 and 117310601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117310651) 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, 103621 + ... + 104746.

It is an arithmetic number, because the mean of its divisors is an integer number (29379888).

Almost surely, 2^117310621 is an apocalyptic number.

It is an amenable number.

117310621 is a deficient number, since it is larger than the sum of its proper divisors (208931).

117310621 is an equidigital number, since it uses as much as digits as its factorization.

117310621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208930.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 117310621 is about 10831.0027698270. The cubic root of 117310621 is about 489.5297738003.

The spelling of 117310621 in words is "one hundred seventeen million, three hundred ten thousand, six hundred twenty-one".