117017188 has 24 divisors (see below), whose sum is σ = 223824384. Its totient is φ = 53289600.

The previous prime is 117017183. The next prime is 117017203. The reversal of 117017188 is 881710711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (117017183) 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, 25648 + ... + 29863.

It is an arithmetic number, because the mean of its divisors is an integer number (9326016).

Almost surely, 2^117017188 is an apocalyptic number.

It is an amenable number.

117017188 is a deficient number, since it is larger than the sum of its proper divisors (106807196).

117017188 is a wasteful number, since it uses less digits than its factorization.

117017188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55563 (or 55561 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 34.

The square root of 117017188 is about 10817.4483127954. The cubic root of 117017188 is about 489.1212739192.

Adding to 117017188 its reverse (881710711), we get a palindrome (998727899).

The spelling of 117017188 in words is "one hundred seventeen million, seventeen thousand, one hundred eighty-eight".