421606124 has 18 divisors (see below), whose sum is σ = 778689324. Its totient is φ = 199707480.

The previous prime is 421606057. The next prime is 421606139.

421606124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 421606093 and 421606102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144542 + ... + 147429.

It is an arithmetic number, because the mean of its divisors is an integer number (43260518).

Almost surely, 2^421606124 is an apocalyptic number.

It is an amenable number.

421606124 is a deficient number, since it is larger than the sum of its proper divisors (357083200).

421606124 is a wasteful number, since it uses less digits than its factorization.

421606124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292013 (or 291992 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 421606124 is about 20533.0495543161. The cubic root of 421606124 is about 749.8406322124.

It can be divided in two parts, 42160 and 6124, that added together give a palindrome (48284).

The spelling of 421606124 in words is "four hundred twenty-one million, six hundred six thousand, one hundred twenty-four".