1115724000 has 192 divisors, whose sum is σ = 3692969280. Its totient is φ = 294451200.

The previous prime is 1115723993. The next prime is 1115724013. The reversal of 1115724000 is 4275111.

It is a happy number.

It is a congruent number.

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, 1307574 + ... + 1308426.

It is an arithmetic number, because the mean of its divisors is an integer number (19234215).

Almost surely, 2^1115724000 is an apocalyptic number.

1115724000 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 1115724000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846484640).

1115724000 is an abundant number, since it is smaller than the sum of its proper divisors (2577245280).

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

1115724000 is a wasteful number, since it uses less digits than its factorization.

1115724000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 1115724000 is about 33402.4549995955. The cubic root of 1115724000 is about 1037.1755215036.

Adding to 1115724000 its reverse (4275111), we get a palindrome (1119999111).

The spelling of 1115724000 in words is "one billion, one hundred fifteen million, seven hundred twenty-four thousand".