421104100 has 36 divisors (see below), whose sum is σ = 914918004. Its totient is φ = 168234880.

The previous prime is 421104091. The next prime is 421104107. The reversal of 421104100 is 1401124.

It can be written as a sum of positive squares in 6 ways, for example, as 109369764 + 311734336 = 10458^2 + 17656^2 .

It is not an unprimeable number, because it can be changed into a prime (421104107) 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 11 ways as a sum of consecutive naturals, for example, 99222 + ... + 103378.

It is an arithmetic number, because the mean of its divisors is an integer number (25414389).

Almost surely, 2^421104100 is an apocalyptic number.

It is an amenable number.

421104100 is an abundant number, since it is smaller than the sum of its proper divisors (493813904).

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

421104100 is a wasteful number, since it uses less digits than its factorization.

421104100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5184 (or 5177 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 421104100 is about 20520.8211336681. The cubic root of 421104100 is about 749.5428918298.

Adding to 421104100 its reverse (1401124), we get a palindrome (422505224).

The spelling of 421104100 in words is "four hundred twenty-one million, one hundred four thousand, one hundred".