126385879 has 2 divisors, whose sum is σ = 126385880. Its totient is φ = 126385878.

The previous prime is 126385873. The next prime is 126385913. The reversal of 126385879 is 978583621.

It is a weak prime.

It is an emirp because it is prime and its reverse (978583621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126385879 - 2⁹ = 126385367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126385873) 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, 63192939 + 63192940.

It is an arithmetic number, because the mean of its divisors is an integer number (63192940).

Almost surely, 2^126385879 is an apocalyptic number.

126385879 is a deficient number, since it is larger than the sum of its proper divisors (1).

126385879 is an equidigital number, since it uses as much as digits as its factorization.

126385879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 49.

The square root of 126385879 is about 11242.1474372115. The cubic root of 126385879 is about 501.8410514059.

The spelling of 126385879 in words is "one hundred twenty-six million, three hundred eighty-five thousand, eight hundred seventy-nine".