1121808352 has 36 divisors (see below), whose sum is σ = 2569145040. Its totient is φ = 480774336.

The previous prime is 1121808299. The next prime is 1121808379. The reversal of 1121808352 is 2538081211.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356152 + ... + 359287.

It is an arithmetic number, because the mean of its divisors is an integer number (71365140).

Almost surely, 2^1121808352 is an apocalyptic number.

It is an amenable number.

1121808352 is an abundant number, since it is smaller than the sum of its proper divisors (1447336688).

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

1121808352 is an equidigital number, since it uses as much as digits as its factorization.

1121808352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715463 (or 715448 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 1121808352 is about 33493.4075901512. The cubic root of 1121808352 is about 1039.0574398941.

Adding to 1121808352 its reverse (2538081211), we get a palindrome (3659889563).

The spelling of 1121808352 in words is "one billion, one hundred twenty-one million, eight hundred eight thousand, three hundred fifty-two".