117489172 has 12 divisors (see below), whose sum is σ = 208977076. Its totient is φ = 57781440.

The previous prime is 117489161. The next prime is 117489173. The reversal of 117489172 is 271984711.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 77369616 = 6334^2 + 8796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117489173) 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, 240513 + ... + 241000.

Almost surely, 2^117489172 is an apocalyptic number.

It is an amenable number.

117489172 is a deficient number, since it is larger than the sum of its proper divisors (91487904).

117489172 is a wasteful number, since it uses less digits than its factorization.

117489172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481578 (or 481576 counting only the distinct ones).

The product of its digits is 28224, while the sum is 40.

The square root of 117489172 is about 10839.2422244362. The cubic root of 117489172 is about 489.7780085646.

The spelling of 117489172 in words is "one hundred seventeen million, four hundred eighty-nine thousand, one hundred seventy-two".