126000063 has 16 divisors (see below), whose sum is σ = 213333760. Its totient is φ = 71999928.

The previous prime is 126000053. The next prime is 126000101. The reversal of 126000063 is 360000621.

It is a happy number.

126000063 is a `hidden beast` number, since 1 + 2 + 600 + 0 + 0 + 63 = 666.

It is not a de Polignac number, because 126000063 - 2²⁵ = 92445631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126000013) 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 in 15 ways as a sum of consecutive naturals, for example, 333145 + ... + 333522.

It is an arithmetic number, because the mean of its divisors is an integer number (13333360).

Almost surely, 2^126000063 is an apocalyptic number.

126000063 is a deficient number, since it is larger than the sum of its proper divisors (87333697).

126000063 is an equidigital number, since it uses as much as digits as its factorization.

126000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666683 (or 666677 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 126000063 is about 11224.9749665645. The cubic root of 126000063 is about 501.3298770514.

Adding to 126000063 its reverse (360000621), we get a palindrome (486000684).

The spelling of 126000063 in words is "one hundred twenty-six million, sixty-three", and thus it is an aban number.