117228 has 12 divisors (see below), whose sum is σ = 273560. Its totient is φ = 39072.

The previous prime is 117223. The next prime is 117239. The reversal of 117228 is 822711.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4873 + ... + 4896.

2¹¹⁷²²⁸ is an apocalyptic number.

It is an amenable number.

117228 is an abundant number, since it is smaller than the sum of its proper divisors (156332).

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

117228 is a wasteful number, since it uses less digits than its factorization.

117228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9776 (or 9774 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 117228 is about 342.3857473669. The cubic root of 117228 is about 48.9414822747.

Adding to 117228 its reverse (822711), we get a palindrome (939939).

The spelling of 117228 in words is "one hundred seventeen thousand, two hundred twenty-eight".