1121443306 has 8 divisors (see below), whose sum is σ = 1682316900. Its totient is φ = 560671008.

The previous prime is 1121443277. The next prime is 1121443313. The reversal of 1121443306 is 6033441211.

It can be written as a sum of positive squares in 2 ways, for example, as 1111889025 + 9554281 = 33345^2 + 3091^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15550 + ... + 49846.

Almost surely, 2^1121443306 is an apocalyptic number.

1121443306 is a deficient number, since it is larger than the sum of its proper divisors (560873594).

1121443306 is a wasteful number, since it uses less digits than its factorization.

1121443306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50648.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1121443306 is about 33487.9576265857. The cubic root of 1121443306 is about 1038.9447216174.

Adding to 1121443306 its reverse (6033441211), we get a palindrome (7154884517).

The spelling of 1121443306 in words is "one billion, one hundred twenty-one million, four hundred forty-three thousand, three hundred six".