126027287 has 2 divisors, whose sum is σ = 126027288. Its totient is φ = 126027286.

The previous prime is 126027271. The next prime is 126027289. The reversal of 126027287 is 782720621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126027287 - 2⁴ = 126027271 is a prime.

Together with 126027289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126027289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63013643 + 63013644.

It is an arithmetic number, because the mean of its divisors is an integer number (63013644).

Almost surely, 2^126027287 is an apocalyptic number.

126027287 is a deficient number, since it is larger than the sum of its proper divisors (1).

126027287 is an equidigital number, since it uses as much as digits as its factorization.

126027287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 126027287 is about 11226.1875541076. The cubic root of 126027287 is about 501.3659807946.

The spelling of 126027287 in words is "one hundred twenty-six million, twenty-seven thousand, two hundred eighty-seven".