126341563 has 2 divisors, whose sum is σ = 126341564. Its totient is φ = 126341562.

The previous prime is 126341561. The next prime is 126341581. The reversal of 126341563 is 365143621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126341563 - 2¹ = 126341561 is a prime.

Together with 126341561, it forms a pair of twin primes.

It is equal to p_7182166 and since 126341563 and 7182166 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (126341561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63170781 + 63170782.

It is an arithmetic number, because the mean of its divisors is an integer number (63170782).

Almost surely, 2^126341563 is an apocalyptic number.

126341563 is a deficient number, since it is larger than the sum of its proper divisors (1).

126341563 is an equidigital number, since it uses as much as digits as its factorization.

126341563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 126341563 is about 11240.1762886531. The cubic root of 126341563 is about 501.7823892935.

The spelling of 126341563 in words is "one hundred twenty-six million, three hundred forty-one thousand, five hundred sixty-three".