421104112 has 120 divisors (see below), whose sum is σ = 996779952. Its totient is φ = 169804800.

The previous prime is 421104109. The next prime is 421104113. The reversal of 421104112 is 211401124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421104113) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6285103 + ... + 6285169.

Almost surely, 2^421104112 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 421104112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498389976).

421104112 is an abundant number, since it is smaller than the sum of its proper divisors (575675840).

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

421104112 is a wasteful number, since it uses less digits than its factorization.

421104112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 421104112 is about 20520.8214260541. The cubic root of 421104112 is about 749.5428989496.

Adding to 421104112 its reverse (211401124), we get a palindrome (632505236).

The spelling of 421104112 in words is "four hundred twenty-one million, one hundred four thousand, one hundred twelve".