104021443 has 2 divisors, whose sum is σ = 104021444. Its totient is φ = 104021442.

The previous prime is 104021431. The next prime is 104021459. The reversal of 104021443 is 344120401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104021443 - 2²⁵ = 70467011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104021443.

It is not a weakly prime, because it can be changed into another prime (104021473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52010721 + 52010722.

It is an arithmetic number, because the mean of its divisors is an integer number (52010722).

Almost surely, 2^104021443 is an apocalyptic number.

104021443 is a deficient number, since it is larger than the sum of its proper divisors (1).

104021443 is an equidigital number, since it uses as much as digits as its factorization.

104021443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 104021443 is about 10199.0903025711. The cubic root of 104021443 is about 470.2992556242.

Adding to 104021443 its reverse (344120401), we get a palindrome (448141844).

The spelling of 104021443 in words is "one hundred four million, twenty-one thousand, four hundred forty-three".