1121141443 has 8 divisors (see below), whose sum is σ = 1158201216. Its totient is φ = 1084137600.

The previous prime is 1121141419. The next prime is 1121141453. The reversal of 1121141443 is 3441411211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121141443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121141453) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28905 + ... + 55477.

It is an arithmetic number, because the mean of its divisors is an integer number (144775152).

Almost surely, 2^1121141443 is an apocalyptic number.

1121141443 is a deficient number, since it is larger than the sum of its proper divisors (37059773).

1121141443 is a wasteful number, since it uses less digits than its factorization.

1121141443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27965.

The product of its digits is 384, while the sum is 22.

The square root of 1121141443 is about 33483.4502851782. The cubic root of 1121141443 is about 1038.8514944008.

Adding to 1121141443 its reverse (3441411211), we get a palindrome (4562552654).

The spelling of 1121141443 in words is "one billion, one hundred twenty-one million, one hundred forty-one thousand, four hundred forty-three".