126063647 has 2 divisors, whose sum is σ = 126063648. Its totient is φ = 126063646.

The previous prime is 126063631. The next prime is 126063703. The reversal of 126063647 is 746360621.

It is a weak prime.

It is an emirp because it is prime and its reverse (746360621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126063647 - 2⁴ = 126063631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126063607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63031823 + 63031824.

It is an arithmetic number, because the mean of its divisors is an integer number (63031824).

Almost surely, 2^126063647 is an apocalyptic number.

126063647 is a deficient number, since it is larger than the sum of its proper divisors (1).

126063647 is an equidigital number, since it uses as much as digits as its factorization.

126063647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 126063647 is about 11227.8068651006. The cubic root of 126063647 is about 501.4141923489.

The spelling of 126063647 in words is "one hundred twenty-six million, sixty-three thousand, six hundred forty-seven".