104000421 has 16 divisors (see below), whose sum is σ = 161164800. Its totient is φ = 58420848.

The previous prime is 104000401. The next prime is 104000431. The reversal of 104000421 is 124000401.

It is not a de Polignac number, because 104000421 - 2⁵ = 104000389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104000397 and 104000406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104000401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40731 + ... + 43208.

It is an arithmetic number, because the mean of its divisors is an integer number (10072800).

Almost surely, 2^104000421 is an apocalyptic number.

It is an amenable number.

104000421 is a deficient number, since it is larger than the sum of its proper divisors (57164379).

104000421 is an equidigital number, since it uses as much as digits as its factorization.

104000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84008.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 104000421 is about 10198.0596683879. The cubic root of 104000421 is about 470.2675721022.

Adding to 104000421 its reverse (124000401), we get a palindrome (228000822).

The spelling of 104000421 in words is "one hundred four million, four hundred twenty-one", and thus it is an aban number.