1126434563 has 2 divisors, whose sum is σ = 1126434564. Its totient is φ = 1126434562.

The previous prime is 1126434509. The next prime is 1126434581. The reversal of 1126434563 is 3654346211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1126434563 - 2⁸ = 1126434307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126434503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563217281 + 563217282.

It is an arithmetic number, because the mean of its divisors is an integer number (563217282).

Almost surely, 2^1126434563 is an apocalyptic number.

1126434563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126434563 is an equidigital number, since it uses as much as digits as its factorization.

1126434563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 1126434563 is about 33562.3980519867. The cubic root of 1126434563 is about 1040.4837994987.

The spelling of 1126434563 in words is "one billion, one hundred twenty-six million, four hundred thirty-four thousand, five hundred sixty-three".