124226622421 has 6 divisors (see below), whose sum is σ = 136546618166. Its totient is φ = 112933293000.

The previous prime is 124226622367. The next prime is 124226622437.

It is a happy number.

124226622421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 122752830321 + 1473792100 = 350361^2 + 38390^2 .

It is not a de Polignac number, because 124226622421 - 2¹⁵ = 124226589653 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 (124226622721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 513333030 + ... + 513333271.

Almost surely, 2^124226622421 is an apocalyptic number.

124226622421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124226622421 is a deficient number, since it is larger than the sum of its proper divisors (12319995745).

124226622421 is a wasteful number, since it uses less digits than its factorization.

124226622421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026666323 (or 1026666312 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

It can be divided in two parts, 124226 and 622421, that added together give a palindrome (746647).

The spelling of 124226622421 in words is "one hundred twenty-four billion, two hundred twenty-six million, six hundred twenty-two thousand, four hundred twenty-one".