126821327 has 2 divisors, whose sum is σ = 126821328. Its totient is φ = 126821326.

The previous prime is 126821297. The next prime is 126821329. The reversal of 126821327 is 723128621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126821327 - 2¹⁰ = 126820303 is a prime.

Together with 126821329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126821293 and 126821302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126821329) 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, 63410663 + 63410664.

It is an arithmetic number, because the mean of its divisors is an integer number (63410664).

Almost surely, 2^126821327 is an apocalyptic number.

126821327 is a deficient number, since it is larger than the sum of its proper divisors (1).

126821327 is an equidigital number, since it uses as much as digits as its factorization.

126821327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 126821327 is about 11261.4975469517. The cubic root of 126821327 is about 502.4167359544.

Adding to 126821327 its reverse (723128621), we get a palindrome (849949948).

The spelling of 126821327 in words is "one hundred twenty-six million, eight hundred twenty-one thousand, three hundred twenty-seven".