117122008 has 8 divisors (see below), whose sum is σ = 219603780. Its totient is φ = 58561000.

The previous prime is 117121987. The next prime is 117122009. The reversal of 117122008 is 800221711.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 117122008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117122009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7320118 + ... + 7320133.

Almost surely, 2^117122008 is an apocalyptic number.

It is an amenable number.

117122008 is a deficient number, since it is larger than the sum of its proper divisors (102481772).

117122008 is a wasteful number, since it uses less digits than its factorization.

117122008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14640257 (or 14640253 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 117122008 is about 10822.2921786468. The cubic root of 117122008 is about 489.2672763766.

Adding to 117122008 its reverse (800221711), we get a palindrome (917343719).

The spelling of 117122008 in words is "one hundred seventeen million, one hundred twenty-two thousand, eight".