124122404221421 has 8 divisors (see below), whose sum is σ = 125100027816960. Its totient is φ = 123144785029728.

The previous prime is 124122404221381. The next prime is 124122404221457.

124122404221421 is nontrivially palindromic in base 10.

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 124122404221421 - 2²² = 124122400027117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124122404221121) 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, 77503745 + ... + 79089033.

It is an arithmetic number, because the mean of its divisors is an integer number (15637503477120).

Almost surely, 2^{124122404221421} is an apocalyptic number.

It is an amenable number.

124122404221421 is a deficient number, since it is larger than the sum of its proper divisors (977623595539).

124122404221421 is a wasteful number, since it uses less digits than its factorization.

124122404221421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201923.

The product of its (nonzero) digits is 16384, while the sum is 32.

It can be divided in two parts, 12412240 and 4221421, that added together give a palindrome (16633661).

The spelling of 124122404221421 in words is "one hundred twenty-four trillion, one hundred twenty-two billion, four hundred four million, two hundred twenty-one thousand, four hundred twenty-one".