1120001443 has 16 divisors (see below), whose sum is σ = 1234206720. Its totient is φ = 1007899200.

The previous prime is 1120001437. The next prime is 1120001461. The reversal of 1120001443 is 3441000211.

It is not a de Polignac number, because 1120001443 - 2⁵ = 1120001411 is a prime.

It is a Duffinian number.

1120001443 is a modest number, since divided by 1443 gives 1120 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1120001483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129678 + ... + 1130668.

It is an arithmetic number, because the mean of its divisors is an integer number (77137920).

Almost surely, 2^1120001443 is an apocalyptic number.

1120001443 is a deficient number, since it is larger than the sum of its proper divisors (114205277).

1120001443 is a wasteful number, since it uses less digits than its factorization.

1120001443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

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

The square root of 1120001443 is about 33466.4226202921. The cubic root of 1120001443 is about 1038.4992663682.

Adding to 1120001443 its reverse (3441000211), we get a palindrome (4561001654).

The spelling of 1120001443 in words is "one billion, one hundred twenty million, one thousand, four hundred forty-three".