124443707344421 has 4 divisors (see below), whose sum is σ = 126552922723200. Its totient is φ = 122334491965644.

The previous prime is 124443707344361. The next prime is 124443707344471.

124443707344421 is nontrivially palindromic in base 10.

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 124443707344421 - 2³⁰ = 124442633602597 is a prime.

It is a super-2 number, since 2×124443707344421² (a number of 29 digits) contains 22 as substring.

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 124443707344421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124443707344471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054607689301 + ... + 1054607689418.

It is an arithmetic number, because the mean of its divisors is an integer number (31638230680800).

Almost surely, 2^{124443707344421} is an apocalyptic number.

It is an amenable number.

124443707344421 is a deficient number, since it is larger than the sum of its proper divisors (2109215378779).

124443707344421 is an equidigital number, since it uses as much as digits as its factorization.

124443707344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109215378778.

The product of its (nonzero) digits is 7225344, while the sum is 50.

It can be divided in two parts, 12444370 and 7344421, that added together give a palindrome (19788791).

The spelling of 124443707344421 in words is "one hundred twenty-four trillion, four hundred forty-three billion, seven hundred seven million, three hundred forty-four thousand, four hundred twenty-one".