421104975 has 24 divisors (see below), whose sum is σ = 698169600. Its totient is φ = 223962720.

The previous prime is 421104967. The next prime is 421104989. The reversal of 421104975 is 579401124.

It is a happy number.

It is not a de Polignac number, because 421104975 - 2³ = 421104967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19876 + ... + 35174.

It is an arithmetic number, because the mean of its divisors is an integer number (29090400).

Almost surely, 2^421104975 is an apocalyptic number.

421104975 is a deficient number, since it is larger than the sum of its proper divisors (277064625).

421104975 is a wasteful number, since it uses less digits than its factorization.

421104975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679 (or 15674 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 421104975 is about 20520.8424534667. The cubic root of 421104975 is about 749.5434109806.

It can be divided in two parts, 4211049 and 75, that added together give a palindrome (4211124).

The spelling of 421104975 in words is "four hundred twenty-one million, one hundred four thousand, nine hundred seventy-five".