1120220443 has 8 divisors (see below), whose sum is σ = 1126966176. Its totient is φ = 1113484800.

The previous prime is 1120220417. The next prime is 1120220467. The reversal of 1120220443 is 3440220211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120220443 - 2¹⁷ = 1120089371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120220443.

It is not an unprimeable number, because it can be changed into a prime (1120200443) 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, 411858 + ... + 414568.

It is an arithmetic number, because the mean of its divisors is an integer number (140870772).

Almost surely, 2^1120220443 is an apocalyptic number.

1120220443 is a deficient number, since it is larger than the sum of its proper divisors (6745733).

1120220443 is a wasteful number, since it uses less digits than its factorization.

1120220443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1120220443 is about 33469.6943965731. The cubic root of 1120220443 is about 1038.5669497683.

Adding to 1120220443 its reverse (3440220211), we get a palindrome (4560440654).

The spelling of 1120220443 in words is "one billion, one hundred twenty million, two hundred twenty thousand, four hundred forty-three".