124542110817 has 16 divisors (see below), whose sum is σ = 184573961280. Its totient is φ = 82997865216.

The previous prime is 124542110783. The next prime is 124542110867. The reversal of 124542110817 is 718011245421.

124542110817 is a `hidden beast` number, since 1 + 2 + 4 + 542 + 1 + 108 + 1 + 7 = 666.

It is not a de Polignac number, because 124542110817 - 2¹² = 124542106721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124542110867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763423 + ... + 912084.

It is an arithmetic number, because the mean of its divisors is an integer number (11535872580).

Almost surely, 2^124542110817 is an apocalyptic number.

It is an amenable number.

124542110817 is a deficient number, since it is larger than the sum of its proper divisors (60031850463).

124542110817 is a wasteful number, since it uses less digits than its factorization.

124542110817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678269 (or 1678263 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The spelling of 124542110817 in words is "one hundred twenty-four billion, five hundred forty-two million, one hundred ten thousand, eight hundred seventeen".