1121797296 has 160 divisors (see below), whose sum is σ = 3294432000. Its totient is φ = 365409792.

The previous prime is 1121797289. The next prime is 1121797301. The reversal of 1121797296 is 6927971211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6266935 + ... + 6267113.

It is an arithmetic number, because the mean of its divisors is an integer number (20590200).

Almost surely, 2^1121797296 is an apocalyptic number.

1121797296 is a gapful number since it is divisible by the number (16) 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 1121797296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647216000).

1121797296 is an abundant number, since it is smaller than the sum of its proper divisors (2172634704).

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

1121797296 is a wasteful number, since it uses less digits than its factorization.

1121797296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 436 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 1121797296 is about 33493.2425423398. The cubic root of 1121797296 is about 1039.0540264005.

The spelling of 1121797296 in words is "one billion, one hundred twenty-one million, seven hundred ninety-seven thousand, two hundred ninety-six".