124775773421 has 8 divisors (see below), whose sum is σ = 140216254080. Its totient is φ = 110169913392.

The previous prime is 124775773391. The next prime is 124775773457. The reversal of 124775773421 is 124377577421.

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 124775773421 - 2³⁰ = 123702031597 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 124775773421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124775773021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208654841 + ... + 208655438.

It is an arithmetic number, because the mean of its divisors is an integer number (17527031760).

Almost surely, 2^124775773421 is an apocalyptic number.

It is an amenable number.

124775773421 is a deficient number, since it is larger than the sum of its proper divisors (15440480659).

124775773421 is a wasteful number, since it uses less digits than its factorization.

124775773421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417310315.

The product of its digits is 2304960, while the sum is 50.

The spelling of 124775773421 in words is "one hundred twenty-four billion, seven hundred seventy-five million, seven hundred seventy-three thousand, four hundred twenty-one".