1120304040 has 128 divisors (see below), whose sum is σ = 3526917120. Its totient is φ = 284313600.

The previous prime is 1120304039. The next prime is 1120304057. The reversal of 1120304040 is 404030211.

It is a super-2 number, since 2×1120304040² = 2510162284080643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224452 + ... + 229388.

It is an arithmetic number, because the mean of its divisors is an integer number (27554040).

Almost surely, 2^1120304040 is an apocalyptic number.

1120304040 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 1120304040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763458560).

1120304040 is an abundant number, since it is smaller than the sum of its proper divisors (2406613080).

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

1120304040 is a wasteful number, since it uses less digits than its factorization.

1120304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1120304040 is about 33470.9432194553. The cubic root of 1120304040 is about 1038.5927836483.

Adding to 1120304040 its reverse (404030211), we get a palindrome (1524334251).

The spelling of 1120304040 in words is "one billion, one hundred twenty million, three hundred four thousand, forty".