421125050124 has 144 divisors (see below), whose sum is σ = 1187130567168. Its totient is φ = 125191908864.

The previous prime is 421125050113. The next prime is 421125050221. The reversal of 421125050124 is 421050521124.

It is a happy number.

421125050124 is a `hidden beast` number, since 4 + 21 + 12 + 505 + 0 + 124 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1366329 + ... + 1645935.

It is an arithmetic number, because the mean of its divisors is an integer number (8243962272).

Almost surely, 2^421125050124 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 421125050124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593565283584).

421125050124 is an abundant number, since it is smaller than the sum of its proper divisors (766005517044).

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

421125050124 is a wasteful number, since it uses less digits than its factorization.

421125050124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279764 (or 279759 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 421125050124 its reverse (421050521124), we get a palindrome (842175571248).

The spelling of 421125050124 in words is "four hundred twenty-one billion, one hundred twenty-five million, fifty thousand, one hundred twenty-four".