102117292 has 12 divisors (see below), whose sum is σ = 179023320. Its totient is φ = 50967776.

The previous prime is 102117289. The next prime is 102117293. The reversal of 102117292 is 292711201.

It is not an unprimeable number, because it can be changed into a prime (102117293) 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, 20158 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (14918610).

Almost surely, 2^102117292 is an apocalyptic number.

It is an amenable number.

102117292 is a deficient number, since it is larger than the sum of its proper divisors (76906028).

102117292 is a wasteful number, since it uses less digits than its factorization.

102117292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45440 (or 45438 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 102117292 is about 10105.3100892551. The cubic root of 102117292 is about 467.4118979508.

Adding to 102117292 its reverse (292711201), we get a palindrome (394828493).

The spelling of 102117292 in words is "one hundred two million, one hundred seventeen thousand, two hundred ninety-two".