1121324343 has 16 divisors (see below), whose sum is σ = 1544908800. Its totient is φ = 722694240.

The previous prime is 1121324333. The next prime is 1121324401. The reversal of 1121324343 is 3434231211.

It is a happy number.

It is not a de Polignac number, because 1121324343 - 2⁴ = 1121324327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121324333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93778 + ... + 105056.

It is an arithmetic number, because the mean of its divisors is an integer number (96556800).

Almost surely, 2^1121324343 is an apocalyptic number.

1121324343 is a deficient number, since it is larger than the sum of its proper divisors (423584457).

1121324343 is a wasteful number, since it uses less digits than its factorization.

1121324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382.

The product of its digits is 1728, while the sum is 24.

The square root of 1121324343 is about 33486.1813738145. The cubic root of 1121324343 is about 1038.9079831422.

Adding to 1121324343 its reverse (3434231211), we get a palindrome (4555555554).

The spelling of 1121324343 in words is "one billion, one hundred twenty-one million, three hundred twenty-four thousand, three hundred forty-three".