1121224282 has 8 divisors (see below), whose sum is σ = 1687822452. Its totient is φ = 558616800.

The previous prime is 1121224277. The next prime is 1121224343. The reversal of 1121224282 is 2824221211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 961682121 + 159542161 = 31011^2 + 12631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 996969 + ... + 998092.

Almost surely, 2^1121224282 is an apocalyptic number.

1121224282 is a deficient number, since it is larger than the sum of its proper divisors (566598170).

1121224282 is a wasteful number, since it uses less digits than its factorization.

1121224282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995344.

The product of its digits is 1024, while the sum is 25.

The square root of 1121224282 is about 33484.6872764253. The cubic root of 1121224282 is about 1038.8770800216.

Adding to 1121224282 its reverse (2824221211), we get a palindrome (3945445493).

The spelling of 1121224282 in words is "one billion, one hundred twenty-one million, two hundred twenty-four thousand, two hundred eighty-two".