1121443342 has 8 divisors (see below), whose sum is σ = 1682316000. Its totient is φ = 560671344.

The previous prime is 1121443331. The next prime is 1121443391. The reversal of 1121443342 is 2433441211.

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

It is a super-2 number, since 2×1121443342² = 2515270338632257928, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 16459 + ... + 50137.

It is an arithmetic number, because the mean of its divisors is an integer number (210289500).

Almost surely, 2^1121443342 is an apocalyptic number.

1121443342 is a deficient number, since it is larger than the sum of its proper divisors (560872658).

1121443342 is a wasteful number, since it uses less digits than its factorization.

1121443342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50330.

The product of its digits is 2304, while the sum is 25.

The square root of 1121443342 is about 33487.9581640924. The cubic root of 1121443342 is about 1038.9447327347.

Adding to 1121443342 its reverse (2433441211), we get a palindrome (3554884553).

The spelling of 1121443342 in words is "one billion, one hundred twenty-one million, four hundred forty-three thousand, three hundred forty-two".