421104241 has 4 divisors (see below), whose sum is σ = 422252032. Its totient is φ = 419956452.

The previous prime is 421104227. The next prime is 421104311. The reversal of 421104241 is 142401124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421104241 - 2⁵ = 421104209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421104221) 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 3 ways as a sum of consecutive naturals, for example, 573345 + ... + 574078.

It is an arithmetic number, because the mean of its divisors is an integer number (105563008).

Almost surely, 2^421104241 is an apocalyptic number.

It is an amenable number.

421104241 is a deficient number, since it is larger than the sum of its proper divisors (1147791).

421104241 is a wasteful number, since it uses less digits than its factorization.

421104241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147790.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 421104241 is about 20520.8245692029. The cubic root of 421104241 is about 749.5429754873.

Adding to 421104241 its reverse (142401124), we get a palindrome (563505365).

The spelling of 421104241 in words is "four hundred twenty-one million, one hundred four thousand, two hundred forty-one".