126385979 has 2 divisors, whose sum is σ = 126385980. Its totient is φ = 126385978.

The previous prime is 126385951. The next prime is 126386003. The reversal of 126385979 is 979583621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126385979 - 2¹² = 126381883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126385949) 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, 63192989 + 63192990.

It is an arithmetic number, because the mean of its divisors is an integer number (63192990).

Almost surely, 2^126385979 is an apocalyptic number.

126385979 is a deficient number, since it is larger than the sum of its proper divisors (1).

126385979 is an equidigital number, since it uses as much as digits as its factorization.

126385979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 50.

The square root of 126385979 is about 11242.1518847594. The cubic root of 126385979 is about 501.8411837627.

The spelling of 126385979 in words is "one hundred twenty-six million, three hundred eighty-five thousand, nine hundred seventy-nine".