1121144343 has 24 divisors (see below), whose sum is σ = 1721120256. Its totient is φ = 643712400.

The previous prime is 1121144327. The next prime is 1121144359. The reversal of 1121144343 is 3434411211.

It is an interprime number because it is at equal distance from previous prime (1121144327) and next prime (1121144359).

It is not a de Polignac number, because 1121144343 - 2⁴ = 1121144327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121140343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35143 + ... + 58968.

It is an arithmetic number, because the mean of its divisors is an integer number (71713344).

Almost surely, 2^1121144343 is an apocalyptic number.

1121144343 is a deficient number, since it is larger than the sum of its proper divisors (599975913).

1121144343 is a wasteful number, since it uses less digits than its factorization.

1121144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94163 (or 94144 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1121144343 is about 33483.4935901259. The cubic root of 1121144343 is about 1038.8523901150.

Adding to 1121144343 its reverse (3434411211), we get a palindrome (4555555554).

The spelling of 1121144343 in words is "one billion, one hundred twenty-one million, one hundred forty-four thousand, three hundred forty-three".