126445793 has 2 divisors, whose sum is σ = 126445794. Its totient is φ = 126445792.

The previous prime is 126445733. The next prime is 126445811. The reversal of 126445793 is 397544621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121374289 + 5071504 = 11017^2 + 2252^2 .

It is a cyclic number.

It is not a de Polignac number, because 126445793 - 2⁶ = 126445729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126445793.

It is not a weakly prime, because it can be changed into another prime (126445723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63222896 + 63222897.

It is an arithmetic number, because the mean of its divisors is an integer number (63222897).

Almost surely, 2^126445793 is an apocalyptic number.

It is an amenable number.

126445793 is a deficient number, since it is larger than the sum of its proper divisors (1).

126445793 is an equidigital number, since it uses as much as digits as its factorization.

126445793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 126445793 is about 11244.8118259044. The cubic root of 126445793 is about 501.9203391529.

The spelling of 126445793 in words is "one hundred twenty-six million, four hundred forty-five thousand, seven hundred ninety-three".