1126579943 has 2 divisors, whose sum is σ = 1126579944. Its totient is φ = 1126579942.

The previous prime is 1126579921. The next prime is 1126579963. The reversal of 1126579943 is 3499756211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1126579943 - 2⁸ = 1126579687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126579963) 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 as a sum of consecutive naturals, namely, 563289971 + 563289972.

It is an arithmetic number, because the mean of its divisors is an integer number (563289972).

Almost surely, 2^1126579943 is an apocalyptic number.

1126579943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126579943 is an equidigital number, since it uses as much as digits as its factorization.

1126579943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 1126579943 is about 33564.5637987447. The cubic root of 1126579943 is about 1040.5285599114.

The spelling of 1126579943 in words is "one billion, one hundred twenty-six million, five hundred seventy-nine thousand, nine hundred forty-three".