1120221003 has 16 divisors (see below), whose sum is σ = 1700257536. Its totient is φ = 649403040.

The previous prime is 1120220977. The next prime is 1120221043. The reversal of 1120221003 is 3001220211.

It is not a de Polignac number, because 1120221003 - 2²² = 1116026699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120221003.

It is not an unprimeable number, because it can be changed into a prime (1120221043) 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, 737200 + ... + 738717.

It is an arithmetic number, because the mean of its divisors is an integer number (106266096).

Almost surely, 2^1120221003 is an apocalyptic number.

1120221003 is a deficient number, since it is larger than the sum of its proper divisors (580036533).

1120221003 is a wasteful number, since it uses less digits than its factorization.

1120221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475954.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1120221003 is about 33469.7027623491. The cubic root of 1120221003 is about 1038.5671228287.

Adding to 1120221003 its reverse (3001220211), we get a palindrome (4121441214).

The spelling of 1120221003 in words is "one billion, one hundred twenty million, two hundred twenty-one thousand, three".