1104021443 has 4 divisors (see below), whose sum is σ = 1261738800. Its totient is φ = 946304088.

The previous prime is 1104021421. The next prime is 1104021481. The reversal of 1104021443 is 3441204011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1104021443 - 2⁶ = 1104021379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1104027443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78858668 + ... + 78858681.

It is an arithmetic number, because the mean of its divisors is an integer number (315434700).

Almost surely, 2^1104021443 is an apocalyptic number.

1104021443 is a deficient number, since it is larger than the sum of its proper divisors (157717357).

1104021443 is an equidigital number, since it uses as much as digits as its factorization.

1104021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157717356.

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

The square root of 1104021443 is about 33226.8181293364. The cubic root of 1104021443 is about 1033.5365418487.

Adding to 1104021443 its reverse (3441204011), we get a palindrome (4545225454).

The spelling of 1104021443 in words is "one billion, one hundred four million, twenty-one thousand, four hundred forty-three".