1120031320 has 32 divisors (see below), whose sum is σ = 2578680720. Its totient is φ = 437592960.

The previous prime is 1120031287. The next prime is 1120031321. The reversal of 1120031320 is 231300211.

It is a self number, because there is not a number n which added to its sum of digits gives 1120031320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120031321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323871 + ... + 327310.

Almost surely, 2^1120031320 is an apocalyptic number.

1120031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120031320 is an abundant number, since it is smaller than the sum of its proper divisors (1458649400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120031320 is a wasteful number, since it uses less digits than its factorization.

1120031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651235 (or 651231 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1120031320 is about 33466.8689900923. The cubic root of 1120031320 is about 1038.5085005726.

Adding to 1120031320 its reverse (231300211), we get a palindrome (1351331531).

The spelling of 1120031320 in words is "one billion, one hundred twenty million, thirty-one thousand, three hundred twenty".