126268447 has 2 divisors, whose sum is σ = 126268448. Its totient is φ = 126268446.

The previous prime is 126268427. The next prime is 126268451. The reversal of 126268447 is 744862621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126268447 - 2¹⁹ = 125744159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126268427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63134223 + 63134224.

It is an arithmetic number, because the mean of its divisors is an integer number (63134224).

Almost surely, 2^126268447 is an apocalyptic number.

126268447 is a deficient number, since it is larger than the sum of its proper divisors (1).

126268447 is an equidigital number, since it uses as much as digits as its factorization.

126268447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 126268447 is about 11236.9233778646. The cubic root of 126268447 is about 501.6855739622.

The spelling of 126268447 in words is "one hundred twenty-six million, two hundred sixty-eight thousand, four hundred forty-seven".