1120303312 has 20 divisors (see below), whose sum is σ = 2192081796. Its totient is φ = 554604800.

The previous prime is 1120303307. The next prime is 1120303319. The reversal of 1120303312 is 2133030211.

It can be written as a sum of positive squares in 2 ways, for example, as 854743696 + 265559616 = 29236^2 + 16296^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120303319) 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, 345013 + ... + 348244.

Almost surely, 2^1120303312 is an apocalyptic number.

It is an amenable number.

1120303312 is a deficient number, since it is larger than the sum of its proper divisors (1071778484).

1120303312 is a wasteful number, since it uses less digits than its factorization.

1120303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693366 (or 693360 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1120303312 is about 33470.9323443492. The cubic root of 1120303312 is about 1038.5925586809.

Adding to 1120303312 its reverse (2133030211), we get a palindrome (3253333523).

The spelling of 1120303312 in words is "one billion, one hundred twenty million, three hundred three thousand, three hundred twelve".