117112787 has 4 divisors (see below), whose sum is σ = 127759416. Its totient is φ = 106466160.

The previous prime is 117112783. The next prime is 117112799. The reversal of 117112787 is 787211711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117112787 - 2² = 117112783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117112783) 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, 5323298 + ... + 5323319.

It is an arithmetic number, because the mean of its divisors is an integer number (31939854).

Almost surely, 2^117112787 is an apocalyptic number.

117112787 is a deficient number, since it is larger than the sum of its proper divisors (10646629).

117112787 is a wasteful number, since it uses less digits than its factorization.

117112787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646628.

The product of its digits is 5488, while the sum is 35.

The square root of 117112787 is about 10821.8661514547. The cubic root of 117112787 is about 489.2544360572.

The spelling of 117112787 in words is "one hundred seventeen million, one hundred twelve thousand, seven hundred eighty-seven".