421107615124 has 48 divisors (see below), whose sum is σ = 860979893760. Its totient is φ = 176461240320.

The previous prime is 421107615121. The next prime is 421107615157. The reversal of 421107615124 is 421516701124.

It is a self number, because there is not a number n which added to its sum of digits gives 421107615124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421107615121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186932 + ... + 1500340.

It is an arithmetic number, because the mean of its divisors is an integer number (17937081120).

Almost surely, 2^421107615124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421107615124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430489946880).

421107615124 is an abundant number, since it is smaller than the sum of its proper divisors (439872278636).

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

421107615124 is a wasteful number, since it uses less digits than its factorization.

421107615124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314488 (or 314486 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 421107615124 in words is "four hundred twenty-one billion, one hundred seven million, six hundred fifteen thousand, one hundred twenty-four".