9996124117 has 20 divisors (see below), whose sum is σ = 12347469036. Its totient is φ = 8064067200.

The previous prime is 9996124097. The next prime is 9996124141. The reversal of 9996124117 is 7114216999.

It can be written as a sum of positive squares in 2 ways, for example, as 4145556996 + 5850567121 = 64386^2 + 76489^2 .

It is not a de Polignac number, because 9996124117 - 2²⁷ = 9861906389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996124417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81634 + ... + 163267.

Almost surely, 2^9996124117 is an apocalyptic number.

9996124117 is the 81634-th pentagonal number.

It is an amenable number.

9996124117 is a deficient number, since it is larger than the sum of its proper divisors (2351344919).

9996124117 is an equidigital number, since it uses as much as digits as its factorization.

9996124117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244946 (or 244925 counting only the distinct ones).

The product of its digits is 244944, while the sum is 49.

The square root of 9996124117 is about 99980.6187068274. The cubic root of 9996124117 is about 2154.1563095034.

The spelling of 9996124117 in words is "nine billion, nine hundred ninety-six million, one hundred twenty-four thousand, one hundred seventeen".