1126589081 has 2 divisors, whose sum is σ = 1126589082. Its totient is φ = 1126589080.

The previous prime is 1126589033. The next prime is 1126589083. The reversal of 1126589081 is 1809856211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619213456 + 507375625 = 24884^2 + 22525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126589081 - 2²⁶ = 1059480217 is a prime.

It is a super-2 number, since 2×1126589081² = 2538405914856849122, which contains 22 as substring.

Together with 1126589083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1126589083) 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, 563294540 + 563294541.

It is an arithmetic number, because the mean of its divisors is an integer number (563294541).

Almost surely, 2^1126589081 is an apocalyptic number.

It is an amenable number.

1126589081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126589081 is an equidigital number, since it uses as much as digits as its factorization.

1126589081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 41.

The square root of 1126589081 is about 33564.6999241763. The cubic root of 1126589081 is about 1040.5313732416.

The spelling of 1126589081 in words is "one billion, one hundred twenty-six million, five hundred eighty-nine thousand, eighty-one".