1121223308 has 12 divisors (see below), whose sum is σ = 1967266560. Its totient is φ = 559147152.

The previous prime is 1121223263. The next prime is 1121223319. The reversal of 1121223308 is 8033221211.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 364403 + ... + 367466.

It is an arithmetic number, because the mean of its divisors is an integer number (163938880).

Almost surely, 2^1121223308 is an apocalyptic number.

It is an amenable number.

1121223308 is a deficient number, since it is larger than the sum of its proper divisors (846043252).

1121223308 is a wasteful number, since it uses less digits than its factorization.

1121223308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732256 (or 732254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1121223308 is about 33484.6727324607. The cubic root of 1121223308 is about 1038.8767791997.

Adding to 1121223308 its reverse (8033221211), we get a palindrome (9154444519).

The spelling of 1121223308 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred eight".