104121443 has 2 divisors, whose sum is σ = 104121444. Its totient is φ = 104121442.

The previous prime is 104121439. The next prime is 104121469. The reversal of 104121443 is 344121401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104121443 - 2² = 104121439 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (104021443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52060721 + 52060722.

It is an arithmetic number, because the mean of its divisors is an integer number (52060722).

Almost surely, 2^104121443 is an apocalyptic number.

104121443 is a deficient number, since it is larger than the sum of its proper divisors (1).

104121443 is an equidigital number, since it uses as much as digits as its factorization.

104121443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104121443 is about 10203.9915229287. The cubic root of 104121443 is about 470.4499132247.

Adding to 104121443 its reverse (344121401), we get a palindrome (448242844).

The spelling of 104121443 in words is "one hundred four million, one hundred twenty-one thousand, four hundred forty-three".