124444262444421 has 4 divisors (see below), whose sum is σ = 165925683259232. Its totient is φ = 82962841629612.

The previous prime is 124444262444407. The next prime is 124444262444423.

124444262444421 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 not a de Polignac number, because 124444262444421 - 2³¹ = 124442114960773 is a prime.

It is a super-2 number, since 2×124444262444421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124444262444423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20740710407401 + ... + 20740710407406.

It is an arithmetic number, because the mean of its divisors is an integer number (41481420814808).

Almost surely, 2^{124444262444421} is an apocalyptic number.

It is an amenable number.

124444262444421 is a deficient number, since it is larger than the sum of its proper divisors (41481420814811).

124444262444421 is an equidigital number, since it uses as much as digits as its factorization.

124444262444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41481420814810.

The product of its digits is 6291456, while the sum is 48.

The spelling of 124444262444421 in words is "one hundred twenty-four trillion, four hundred forty-four billion, two hundred sixty-two million, four hundred forty-four thousand, four hundred twenty-one".