117124747 has 8 divisors (see below), whose sum is σ = 124358976. Its totient is φ = 109928832.

The previous prime is 117124739. The next prime is 117124757. The reversal of 117124747 is 747421711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117124747 - 2³ = 117124739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117124757) 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, 3148 + ... + 15625.

It is an arithmetic number, because the mean of its divisors is an integer number (15544872).

Almost surely, 2^117124747 is an apocalyptic number.

117124747 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117124747 is a deficient number, since it is larger than the sum of its proper divisors (7234229).

117124747 is a wasteful number, since it uses less digits than its factorization.

117124747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19157.

The product of its digits is 10976, while the sum is 34.

The square root of 117124747 is about 10822.4187222635. The cubic root of 117124747 is about 489.2710903271.

The spelling of 117124747 in words is "one hundred seventeen million, one hundred twenty-four thousand, seven hundred forty-seven".