124844912857 has 8 divisors (see below), whose sum is σ = 143988891200. Its totient is φ = 106028182224.

The previous prime is 124844912849. The next prime is 124844912861. The reversal of 124844912857 is 758219448421.

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 124844912857 - 2³ = 124844912849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124844912798 and 124844912807.

It is not an unprimeable number, because it can be changed into a prime (124844912807) 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, 81811107 + ... + 81812632.

It is an arithmetic number, because the mean of its divisors is an integer number (17998611400).

Almost surely, 2^124844912857 is an apocalyptic number.

It is an amenable number.

124844912857 is a deficient number, since it is larger than the sum of its proper divisors (19143978343).

124844912857 is a wasteful number, since it uses less digits than its factorization.

124844912857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163623855.

The product of its digits is 5160960, while the sum is 55.

The spelling of 124844912857 in words is "one hundred twenty-four billion, eight hundred forty-four million, nine hundred twelve thousand, eight hundred fifty-seven".