1126808563 has 2 divisors, whose sum is σ = 1126808564. Its totient is φ = 1126808562.

The previous prime is 1126808549. The next prime is 1126808587. The reversal of 1126808563 is 3658086211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1126808563 - 2⁹ = 1126808051 is a prime.

It is not a weakly prime, because it can be changed into another prime (5126808563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563404281 + 563404282.

It is an arithmetic number, because the mean of its divisors is an integer number (563404282).

Almost surely, 2^1126808563 is an apocalyptic number.

1126808563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126808563 is an equidigital number, since it uses as much as digits as its factorization.

1126808563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1126808563 is about 33567.9693011061. The cubic root of 1126808563 is about 1040.5989409353.

The spelling of 1126808563 in words is "one billion, one hundred twenty-six million, eight hundred eight thousand, five hundred sixty-three".