117055285 has 8 divisors (see below), whose sum is σ = 148729176. Its totient is φ = 88135680.

The previous prime is 117055283. The next prime is 117055291. The reversal of 117055285 is 582550711.

It can be written as a sum of positive squares in 4 ways, for example, as 20052484 + 97002801 = 4478^2 + 9849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117055285 - 2¹ = 117055283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117055285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117055283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688476 + ... + 688645.

It is an arithmetic number, because the mean of its divisors is an integer number (18591147).

Almost surely, 2^117055285 is an apocalyptic number.

It is an amenable number.

117055285 is a deficient number, since it is larger than the sum of its proper divisors (31673891).

117055285 is a wasteful number, since it uses less digits than its factorization.

117055285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377143.

The product of its (nonzero) digits is 14000, while the sum is 34.

The square root of 117055285 is about 10819.2090746043. The cubic root of 117055285 is about 489.1743488325.

The spelling of 117055285 in words is "one hundred seventeen million, fifty-five thousand, two hundred eighty-five".