117331227 has 32 divisors (see below), whose sum is σ = 188160000. Its totient is φ = 71832096.

The previous prime is 117331163. The next prime is 117331231. The reversal of 117331227 is 722133711.

It is not a de Polignac number, because 117331227 - 2⁶ = 117331163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 117331227.

It is not an unprimeable number, because it can be changed into a prime (117331267) 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, 77524 + ... + 79022.

It is an arithmetic number, because the mean of its divisors is an integer number (5880000).

Almost surely, 2^117331227 is an apocalyptic number.

117331227 is a deficient number, since it is larger than the sum of its proper divisors (70828773).

117331227 is a wasteful number, since it uses less digits than its factorization.

117331227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1738 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 117331227 is about 10831.9539788535. The cubic root of 117331227 is about 489.5584346321.

Adding to 117331227 its reverse (722133711), we get a palindrome (839464938).

It can be divided in two parts, 1173 and 31227, that added together give a square (32400 = 180²).

The spelling of 117331227 in words is "one hundred seventeen million, three hundred thirty-one thousand, two hundred twenty-seven".