124304403421 has 4 divisors (see below), whose sum is σ = 135604803744. Its totient is φ = 113004003100.

The previous prime is 124304403403. The next prime is 124304403451.

124304403421 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 a de Polignac number, because none of the positive numbers 2^k-124304403421 is a prime.

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 124304403421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124304403451) 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, 5650200145 + ... + 5650200166.

It is an arithmetic number, because the mean of its divisors is an integer number (33901200936).

Almost surely, 2^124304403421 is an apocalyptic number.

124304403421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124304403421 is a deficient number, since it is larger than the sum of its proper divisors (11300400323).

124304403421 is a wasteful number, since it uses less digits than its factorization.

124304403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11300400322.

The product of its (nonzero) digits is 9216, while the sum is 28.

It can be divided in two parts, 124304 and 403421, that added together give a palindrome (527725).

The spelling of 124304403421 in words is "one hundred twenty-four billion, three hundred four million, four hundred three thousand, four hundred twenty-one".