117231146 has 8 divisors (see below), whose sum is σ = 176048964. Its totient is φ = 58548160.

The previous prime is 117231097. The next prime is 117231151. The reversal of 117231146 is 641132711.

It can be written as a sum of positive squares in 2 ways, for example, as 115240225 + 1990921 = 10735^2 + 1411^2 .

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

It is a super-3 number, since 3×117231146³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31505 + ... + 35028.

Almost surely, 2^117231146 is an apocalyptic number.

117231146 is a deficient number, since it is larger than the sum of its proper divisors (58817818).

117231146 is an equidigital number, since it uses as much as digits as its factorization.

117231146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67416.

The product of its digits is 1008, while the sum is 26.

The square root of 117231146 is about 10827.3332820229. Note that the first 3 decimals coincide. The cubic root of 117231146 is about 489.4192007832.

Adding to 117231146 its reverse (641132711), we get a palindrome (758363857).

The spelling of 117231146 in words is "one hundred seventeen million, two hundred thirty-one thousand, one hundred forty-six".