1120440000 has 140 divisors (see below), whose sum is σ = 3704832824. Its totient is φ = 298752000.

The previous prime is 1120439977. The next prime is 1120440001. The reversal of 1120440000 is 440211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1120440001) 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 19 ways as a sum of consecutive naturals, for example, 115332 + ... + 124668.

Almost surely, 2^1120440000 is an apocalyptic number.

1120440000 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 1120440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852416412).

1120440000 is an abundant number, since it is smaller than the sum of its proper divisors (2584392824).

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

1120440000 is an frugal number, since it uses more digits than its factorization.

1120440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9372 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1120440000 is about 33472.9741732043. The cubic root of 1120440000 is about 1038.6347964585.

Adding to 1120440000 its reverse (440211), we get a palindrome (1120880211).

The spelling of 1120440000 in words is "one billion, one hundred twenty million, four hundred forty thousand".