1120232320 has 128 divisors (see below), whose sum is σ = 2756203200. Its totient is φ = 435240960.

The previous prime is 1120232317. The next prime is 1120232341. The reversal of 1120232320 is 232320211.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 1120232294 and 1120232303.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4044022 + ... + 4044298.

Almost surely, 2^1120232320 is an apocalyptic number.

1120232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1120232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378101600).

1120232320 is an abundant number, since it is smaller than the sum of its proper divisors (1635970880).

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

1120232320 is an equidigital number, since it uses as much as digits as its factorization.

1120232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1120232320 is about 33469.8718252700. The cubic root of 1120232320 is about 1038.5706201816.

Adding to 1120232320 its reverse (232320211), we get a palindrome (1352552531).

The spelling of 1120232320 in words is "one billion, one hundred twenty million, two hundred thirty-two thousand, three hundred twenty".