117180237 has 4 divisors (see below), whose sum is σ = 156240320. Its totient is φ = 78120156.

The previous prime is 117180229. The next prime is 117180241. The reversal of 117180237 is 732081711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 732081711 = 3 ⋅244027237.

It is not a de Polignac number, because 117180237 - 2³ = 117180229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117180227) 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, 19530037 + ... + 19530042.

It is an arithmetic number, because the mean of its divisors is an integer number (39060080).

Almost surely, 2^117180237 is an apocalyptic number.

It is an amenable number.

117180237 is a deficient number, since it is larger than the sum of its proper divisors (39060083).

117180237 is an equidigital number, since it uses as much as digits as its factorization.

117180237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39060082.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 117180237 is about 10824.9820785071. The cubic root of 117180237 is about 489.3483451830.

The spelling of 117180237 in words is "one hundred seventeen million, one hundred eighty thousand, two hundred thirty-seven".