124422847856641 has 4 divisors (see below), whose sum is σ = 125997820614400. Its totient is φ = 122847875098884.

The previous prime is 124422847856639. The next prime is 124422847856677. The reversal of 124422847856641 is 146658748224421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124422847856641 - 2¹ = 124422847856639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124422847856611) 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 3 ways as a sum of consecutive naturals, for example, 787486378761 + ... + 787486378918.

It is an arithmetic number, because the mean of its divisors is an integer number (31499455153600).

Almost surely, 2^{124422847856641} is an apocalyptic number.

It is an amenable number.

124422847856641 is a deficient number, since it is larger than the sum of its proper divisors (1574972757759).

124422847856641 is an equidigital number, since it uses as much as digits as its factorization.

124422847856641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574972757758.

The product of its digits is 165150720, while the sum is 64.

The spelling of 124422847856641 in words is "one hundred twenty-four trillion, four hundred twenty-two billion, eight hundred forty-seven million, eight hundred fifty-six thousand, six hundred forty-one".