124403435421 has 8 divisors (see below), whose sum is σ = 166045302720. Its totient is φ = 82848595872.

The previous prime is 124403435419. The next prime is 124403435459. The reversal of 124403435421 is 124534304421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124403435421 - 2¹ = 124403435419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124403435491) 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, 21753601 + ... + 21759318.

It is an arithmetic number, because the mean of its divisors is an integer number (20755662840).

Almost surely, 2^124403435421 is an apocalyptic number.

It is an amenable number.

124403435421 is a deficient number, since it is larger than the sum of its proper divisors (41641867299).

124403435421 is an equidigital number, since it uses as much as digits as its factorization.

124403435421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43513875.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 124403435421 its reverse (124534304421), we get a palindrome (248937739842).

The spelling of 124403435421 in words is "one hundred twenty-four billion, four hundred three million, four hundred thirty-five thousand, four hundred twenty-one".