117232761 has 32 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 72334080.

The previous prime is 117232757. The next prime is 117232783. The reversal of 117232761 is 167232711.

It is not a de Polignac number, because 117232761 - 2² = 117232757 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117232741) 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 31 ways as a sum of consecutive naturals, for example, 254071 + ... + 254531.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^117232761 is an apocalyptic number.

It is an amenable number.

117232761 is a deficient number, since it is larger than the sum of its proper divisors (51304839).

117232761 is a wasteful number, since it uses less digits than its factorization.

117232761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609.

The product of its digits is 3528, while the sum is 30.

The square root of 117232761 is about 10827.4078615336. The cubic root of 117232761 is about 489.4214482189.

It can be divided in two parts, 1172 and 32761, that added together give a palindrome (33933).

The spelling of 117232761 in words is "one hundred seventeen million, two hundred thirty-two thousand, seven hundred sixty-one".