117620969 has 4 divisors (see below), whose sum is σ = 117644100. Its totient is φ = 117597840.

The previous prime is 117620959. The next prime is 117620981. The reversal of 117620969 is 969026711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68690944 + 48930025 = 8288^2 + 6995^2 .

It is a cyclic number.

It is not a de Polignac number, because 117620969 - 2¹⁶ = 117555433 is a prime.

It is a super-2 number, since 2×117620969² = 27669384696997922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117620959) 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, 242 + ... + 15339.

It is an arithmetic number, because the mean of its divisors is an integer number (29411025).

Almost surely, 2^117620969 is an apocalyptic number.

It is an amenable number.

117620969 is a deficient number, since it is larger than the sum of its proper divisors (23131).

117620969 is an equidigital number, since it uses as much as digits as its factorization.

117620969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23130.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 117620969 is about 10845.3201428081. The cubic root of 117620969 is about 489.9610811794.

The spelling of 117620969 in words is "one hundred seventeen million, six hundred twenty thousand, nine hundred sixty-nine".