421442124 has 12 divisors (see below), whose sum is σ = 983364984. Its totient is φ = 140480704.

The previous prime is 421442089. The next prime is 421442137. The reversal of 421442124 is 421244124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×421442124² = 355226927763262752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 421442094 and 421442103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17560077 + ... + 17560100.

It is an arithmetic number, because the mean of its divisors is an integer number (81947082).

Almost surely, 2^421442124 is an apocalyptic number.

It is an amenable number.

421442124 is an abundant number, since it is smaller than the sum of its proper divisors (561922860).

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

421442124 is a wasteful number, since it uses less digits than its factorization.

421442124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35120184 (or 35120182 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 421442124 is about 20529.0556041918. The cubic root of 421442124 is about 749.7433931028.

Adding to 421442124 its reverse (421244124), we get a palindrome (842686248).

The spelling of 421442124 in words is "four hundred twenty-one million, four hundred forty-two thousand, one hundred twenty-four".