126427799 has 2 divisors, whose sum is σ = 126427800. Its totient is φ = 126427798.

The previous prime is 126427771. The next prime is 126427813. The reversal of 126427799 is 997724621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126427799 - 2¹⁶ = 126362263 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 (126427709) 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, 63213899 + 63213900.

It is an arithmetic number, because the mean of its divisors is an integer number (63213900).

Almost surely, 2^126427799 is an apocalyptic number.

126427799 is a deficient number, since it is larger than the sum of its proper divisors (1).

126427799 is an equidigital number, since it uses as much as digits as its factorization.

126427799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 47.

The square root of 126427799 is about 11244.0116951202. The cubic root of 126427799 is about 501.8965292582.

The spelling of 126427799 in words is "one hundred twenty-six million, four hundred twenty-seven thousand, seven hundred ninety-nine".