117121743 has 6 divisors (see below), whose sum is σ = 169175864. Its totient is φ = 78081156.

The previous prime is 117121717. The next prime is 117121747. The reversal of 117121743 is 347121711.

It is not a de Polignac number, because 117121743 - 2⁹ = 117121231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117121747) 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 5 ways as a sum of consecutive naturals, for example, 6506755 + ... + 6506772.

Almost surely, 2^117121743 is an apocalyptic number.

117121743 is a deficient number, since it is larger than the sum of its proper divisors (52054121).

117121743 is a wasteful number, since it uses less digits than its factorization.

117121743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013533 (or 13013530 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 117121743 is about 10822.2799353925. The cubic root of 117121743 is about 489.2669073713.

The spelling of 117121743 in words is "one hundred seventeen million, one hundred twenty-one thousand, seven hundred forty-three".