124334433421 has 6 divisors (see below), whose sum is σ = 136665121166. Its totient is φ = 113031303000.

The previous prime is 124334433409. The next prime is 124334433439.

124334433421 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 123517102500 + 817330921 = 351450^2 + 28589^2 .

It is not a de Polignac number, because 124334433421 - 2¹¹ = 124334431373 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 (124334433481) 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, 513778530 + ... + 513778771.

Almost surely, 2^124334433421 is an apocalyptic number.

124334433421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124334433421 is a deficient number, since it is larger than the sum of its proper divisors (12330687745).

124334433421 is a wasteful number, since it uses less digits than its factorization.

124334433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027557323 (or 1027557312 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 124334 and 433421, that added together give a palindrome (557755).

The spelling of 124334433421 in words is "one hundred twenty-four billion, three hundred thirty-four million, four hundred thirty-three thousand, four hundred twenty-one".