117007187 has 32 divisors (see below), whose sum is σ = 142179840. Its totient is φ = 95040000.

The previous prime is 117007183. The next prime is 117007201. The reversal of 117007187 is 781700711.

It is not a de Polignac number, because 117007187 - 2² = 117007183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117007181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485387 + ... + 485627.

It is an arithmetic number, because the mean of its divisors is an integer number (4443120).

Almost surely, 2^117007187 is an apocalyptic number.

117007187 is a deficient number, since it is larger than the sum of its proper divisors (25172653).

117007187 is a wasteful number, since it uses less digits than its factorization.

117007187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 2744, while the sum is 32.

The square root of 117007187 is about 10816.9860404828. The cubic root of 117007187 is about 489.1073390967.

Adding to 117007187 its reverse (781700711), we get a palindrome (898707898).

The spelling of 117007187 in words is "one hundred seventeen million, seven thousand, one hundred eighty-seven".