117220969 has 4 divisors (see below), whose sum is σ = 117245520. Its totient is φ = 117196420.

The previous prime is 117220963. The next prime is 117220973. The reversal of 117220969 is 969022711.

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 117220969 - 2⁷ = 117220841 is a prime.

It is a super-2 number, since 2×117220969² = 27481511146597922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117220963) 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, 2539 + ... + 15520.

It is an arithmetic number, because the mean of its divisors is an integer number (29311380).

Almost surely, 2^117220969 is an apocalyptic number.

It is an amenable number.

117220969 is a deficient number, since it is larger than the sum of its proper divisors (24551).

117220969 is an equidigital number, since it uses as much as digits as its factorization.

117220969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24550.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 117220969 is about 10826.8633038383. The cubic root of 117220969 is about 489.4050379846.

The spelling of 117220969 in words is "one hundred seventeen million, two hundred twenty thousand, nine hundred sixty-nine".