421201104 has 40 divisors (see below), whose sum is σ = 1125627360. Its totient is φ = 135558528.

The previous prime is 421201091. The next prime is 421201111. The reversal of 421201104 is 401102124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149902 + ... + 152685.

It is an arithmetic number, because the mean of its divisors is an integer number (28140684).

Almost surely, 2^421201104 is an apocalyptic number.

It is an amenable number.

421201104 is an abundant number, since it is smaller than the sum of its proper divisors (704426256).

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

421201104 is a wasteful number, since it uses less digits than its factorization.

421201104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302627 (or 302621 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 421201104 is about 20523.1845482128. The cubic root of 421201104 is about 749.6004413973.

Adding to 421201104 its reverse (401102124), we get a palindrome (822303228).

The spelling of 421201104 in words is "four hundred twenty-one million, two hundred one thousand, one hundred four".