421204535124 has 24 divisors (see below), whose sum is σ = 982837255680. Its totient is φ = 140397701184.

The previous prime is 421204535113. The next prime is 421204535149. The reversal of 421204535124 is 421535402124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3597 + ... + 917835.

It is an arithmetic number, because the mean of its divisors is an integer number (40951552320).

Almost surely, 2^421204535124 is an apocalyptic number.

It is an amenable number.

421204535124 is an abundant number, since it is smaller than the sum of its proper divisors (561632720556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421204535124 is a wasteful number, since it uses less digits than its factorization.

421204535124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952639 (or 952637 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 421204535124 its reverse (421535402124), we get a palindrome (842739937248).

The spelling of 421204535124 in words is "four hundred twenty-one billion, two hundred four million, five hundred thirty-five thousand, one hundred twenty-four".