124488660821 has 8 divisors (see below), whose sum is σ = 144957147264. Its totient is φ = 104691272400.

The previous prime is 124488660811. The next prime is 124488660887. The reversal of 124488660821 is 128066884421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124488660821 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 124488660821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124488660811) 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, 167774105 + ... + 167774846.

It is an arithmetic number, because the mean of its divisors is an integer number (18119643408).

Almost surely, 2^124488660821 is an apocalyptic number.

It is an amenable number.

124488660821 is a deficient number, since it is larger than the sum of its proper divisors (20468486443).

124488660821 is an equidigital number, since it uses as much as digits as its factorization.

124488660821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335549011.

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 124488660821 in words is "one hundred twenty-four billion, four hundred eighty-eight million, six hundred sixty thousand, eight hundred twenty-one".