117331265 has 8 divisors (see below), whose sum is σ = 141030888. Its totient is φ = 93709440.

The previous prime is 117331261. The next prime is 117331267. The reversal of 117331265 is 562133711.

It can be written as a sum of positive squares in 4 ways, for example, as 8254129 + 109077136 = 2873^2 + 10444^2 .

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

It is not a de Polignac number, because 117331265 - 2² = 117331261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117331261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16076 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (17628861).

Almost surely, 2^117331265 is an apocalyptic number.

It is an amenable number.

117331265 is a deficient number, since it is larger than the sum of its proper divisors (23699623).

117331265 is an equidigital number, since it uses as much as digits as its factorization.

117331265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38899.

The product of its digits is 3780, while the sum is 29.

The square root of 117331265 is about 10831.9557329228. The cubic root of 117331265 is about 489.5584874831.

Adding to 117331265 its reverse (562133711), we get a palindrome (679464976).

The spelling of 117331265 in words is "one hundred seventeen million, three hundred thirty-one thousand, two hundred sixty-five".