117030188 has 24 divisors (see below), whose sum is σ = 228178944. Its totient is φ = 52062800.

The previous prime is 117030181. The next prime is 117030197. The reversal of 117030188 is 881030711.

It is a self number, because there is not a number n which added to its sum of digits gives 117030188.

It is not an unprimeable number, because it can be changed into a prime (117030181) 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 7 ways as a sum of consecutive naturals, for example, 26228 + ... + 30363.

It is an arithmetic number, because the mean of its divisors is an integer number (9507456).

Almost surely, 2^117030188 is an apocalyptic number.

It is an amenable number.

117030188 is a deficient number, since it is larger than the sum of its proper divisors (111148756).

117030188 is a wasteful number, since it uses less digits than its factorization.

117030188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56653 (or 56651 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 117030188 is about 10818.0491771853. The cubic root of 117030188 is about 489.1393861903.

Adding to 117030188 its reverse (881030711), we get a palindrome (998060899).

The spelling of 117030188 in words is "one hundred seventeen million, thirty thousand, one hundred eighty-eight".