126445279 has 2 divisors, whose sum is σ = 126445280. Its totient is φ = 126445278.

The previous prime is 126445211. The next prime is 126445309. The reversal of 126445279 is 972544621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126445279 - 2⁹ = 126444767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126442279) 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, 63222639 + 63222640.

It is an arithmetic number, because the mean of its divisors is an integer number (63222640).

Almost surely, 2^126445279 is an apocalyptic number.

126445279 is a deficient number, since it is larger than the sum of its proper divisors (1).

126445279 is an equidigital number, since it uses as much as digits as its factorization.

126445279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 126445279 is about 11244.7889708967. The cubic root of 126445279 is about 501.9196590528.

The spelling of 126445279 in words is "one hundred twenty-six million, four hundred forty-five thousand, two hundred seventy-nine".