421306124 has 24 divisors (see below), whose sum is σ = 758208528. Its totient is φ = 204690240.

The previous prime is 421306043. The next prime is 421306139. The reversal of 421306124 is 421603124.

It is a self number, because there is not a number n which added to its sum of digits gives 421306124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155687 + ... + 158369.

It is an arithmetic number, because the mean of its divisors is an integer number (31592022).

Almost surely, 2^421306124 is an apocalyptic number.

It is an amenable number.

421306124 is a deficient number, since it is larger than the sum of its proper divisors (336902404).

421306124 is a wasteful number, since it uses less digits than its factorization.

421306124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785 (or 3783 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 421306124 is about 20525.7429585387. The cubic root of 421306124 is about 749.6627366569.

Adding to 421306124 its reverse (421603124), we get a palindrome (842909248).

The spelling of 421306124 in words is "four hundred twenty-one million, three hundred six thousand, one hundred twenty-four".