124968215809 has 8 divisors (see below), whose sum is σ = 129283816320. Its totient is φ = 120653038800.

The previous prime is 124968215753. The next prime is 124968215831. The reversal of 124968215809 is 908512869421.

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 124968215809 - 2¹¹ = 124968213761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124968215809.

It is not an unprimeable number, because it can be changed into a prime (124968215849) 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, 567064 + ... + 755974.

It is an arithmetic number, because the mean of its divisors is an integer number (16160477040).

Almost surely, 2^124968215809 is an apocalyptic number.

It is an amenable number.

124968215809 is a deficient number, since it is larger than the sum of its proper divisors (4315600511).

124968215809 is a wasteful number, since it uses less digits than its factorization.

124968215809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211751.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 124968215809 in words is "one hundred twenty-four billion, nine hundred sixty-eight million, two hundred fifteen thousand, eight hundred nine".