1122042343 has 2 divisors, whose sum is σ = 1122042344. Its totient is φ = 1122042342.

The previous prime is 1122042319. The next prime is 1122042377. The reversal of 1122042343 is 3432402211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122042343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122045343) 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 as a sum of consecutive naturals, namely, 561021171 + 561021172.

It is an arithmetic number, because the mean of its divisors is an integer number (561021172).

Almost surely, 2^1122042343 is an apocalyptic number.

1122042343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122042343 is an equidigital number, since it uses as much as digits as its factorization.

1122042343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1122042343 is about 33496.9004984043. The cubic root of 1122042343 is about 1039.1296783730.

Adding to 1122042343 its reverse (3432402211), we get a palindrome (4554444554).

The spelling of 1122042343 in words is "one billion, one hundred twenty-two million, forty-two thousand, three hundred forty-three".