1120042443 has 8 divisors (see below), whose sum is σ = 1608266128. Its totient is φ = 689256864.

The previous prime is 1120042423. The next prime is 1120042459. The reversal of 1120042443 is 3442400211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120042443 - 2¹⁴ = 1120026059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120042423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14359480 + ... + 14359557.

It is an arithmetic number, because the mean of its divisors is an integer number (201033266).

Almost surely, 2^1120042443 is an apocalyptic number.

1120042443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1120042443 is a deficient number, since it is larger than the sum of its proper divisors (488223685).

1120042443 is a wasteful number, since it uses less digits than its factorization.

1120042443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28719053.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1120042443 is about 33467.0351689539. The cubic root of 1120042443 is about 1038.5119383609.

Adding to 1120042443 its reverse (3442400211), we get a palindrome (4562442654).

The spelling of 1120042443 in words is "one billion, one hundred twenty million, forty-two thousand, four hundred forty-three".