117220 has 12 divisors (see below), whose sum is σ = 246204. Its totient is φ = 46880.

The previous prime is 117209. The next prime is 117223. The reversal of 117220 is 22711.

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 69696 = 218^2 + 264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117220.

It is not an unprimeable number, because it can be changed into a prime (117223) by changing a digit.

117220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (20517).

2¹¹⁷²²⁰ is an apocalyptic number.

117220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117220 is an abundant number, since it is smaller than the sum of its proper divisors (128984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117220 is a wasteful number, since it uses less digits than its factorization.

117220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 117220 is about 342.3740644383. The cubic root of 117220 is about 48.9403689435.

Adding to 117220 its reverse (22711), we get a palindrome (139931).

The spelling of 117220 in words is "one hundred seventeen thousand, two hundred twenty", and thus it is an iban number.