126287743 has 2 divisors, whose sum is σ = 126287744. Its totient is φ = 126287742.

The previous prime is 126287719. The next prime is 126287753. The reversal of 126287743 is 347782621.

It is a strong prime.

It is an emirp because it is prime and its reverse (347782621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126287743 - 2¹³ = 126279551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126287696 and 126287705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126287753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63143871 + 63143872.

It is an arithmetic number, because the mean of its divisors is an integer number (63143872).

Almost surely, 2^126287743 is an apocalyptic number.

126287743 is a deficient number, since it is larger than the sum of its proper divisors (1).

126287743 is an equidigital number, since it uses as much as digits as its factorization.

126287743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 126287743 is about 11237.7819430704. The cubic root of 126287743 is about 501.7111280680.

The spelling of 126287743 in words is "one hundred twenty-six million, two hundred eighty-seven thousand, seven hundred forty-three".