1121222343 has 8 divisors (see below), whose sum is σ = 1499680368. Its totient is φ = 745122944.

The previous prime is 1121222341. The next prime is 1121222363. The reversal of 1121222343 is 3432221211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121222343 - 2¹ = 1121222341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121222341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 588546 + ... + 590447.

It is an arithmetic number, because the mean of its divisors is an integer number (187460046).

Almost surely, 2^1121222343 is an apocalyptic number.

1121222343 is a deficient number, since it is larger than the sum of its proper divisors (378458025).

1121222343 is a wasteful number, since it uses less digits than its factorization.

1121222343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179313.

The product of its digits is 576, while the sum is 21.

The square root of 1121222343 is about 33484.6583228797. The cubic root of 1121222343 is about 1038.8764811573.

Adding to 1121222343 its reverse (3432221211), we get a palindrome (4553443554).

The spelling of 1121222343 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, three hundred forty-three".