1104021043 has 4 divisors (see below), whose sum is σ = 1105982568. Its totient is φ = 1102059520.

The previous prime is 1104021031. The next prime is 1104021047. The reversal of 1104021043 is 3401204011.

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 1104021043 - 2⁹ = 1104020531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104021047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979918 + ... + 981043.

It is an arithmetic number, because the mean of its divisors is an integer number (276495642).

Almost surely, 2^1104021043 is an apocalyptic number.

1104021043 is a deficient number, since it is larger than the sum of its proper divisors (1961525).

1104021043 is an equidigital number, since it uses as much as digits as its factorization.

1104021043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961524.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1104021043 is about 33226.8121101017. The cubic root of 1104021043 is about 1033.5364170278.

Adding to 1104021043 its reverse (3401204011), we get a palindrome (4505225054).

The spelling of 1104021043 in words is "one billion, one hundred four million, twenty-one thousand, forty-three".