1123526879 has 2 divisors, whose sum is σ = 1123526880. Its totient is φ = 1123526878.

The previous prime is 1123526849. The next prime is 1123526881. The reversal of 1123526879 is 9786253211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123526879 - 2⁸ = 1123526623 is a prime.

It is a Sophie Germain prime.

Together with 1123526881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123526809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561763439 + 561763440.

It is an arithmetic number, because the mean of its divisors is an integer number (561763440).

Almost surely, 2^1123526879 is an apocalyptic number.

1123526879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123526879 is an equidigital number, since it uses as much as digits as its factorization.

1123526879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 1123526879 is about 33519.0524776581. The cubic root of 1123526879 is about 1039.5877554363.

The spelling of 1123526879 in words is "one billion, one hundred twenty-three million, five hundred twenty-six thousand, eight hundred seventy-nine".