1123560959 has 2 divisors, whose sum is σ = 1123560960. Its totient is φ = 1123560958.

The previous prime is 1123560941. The next prime is 1123560961. The reversal of 1123560959 is 9590653211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123560959 - 2⁸ = 1123560703 is a prime.

Together with 1123560961, 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 (1123560059) 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, 561780479 + 561780480.

It is an arithmetic number, because the mean of its divisors is an integer number (561780480).

Almost surely, 2^1123560959 is an apocalyptic number.

1123560959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123560959 is an equidigital number, since it uses as much as digits as its factorization.

1123560959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 1123560959 is about 33519.5608413953. The cubic root of 1123560959 is about 1039.5982666201.

The spelling of 1123560959 in words is "one billion, one hundred twenty-three million, five hundred sixty thousand, nine hundred fifty-nine".