126668827 has 2 divisors, whose sum is σ = 126668828. Its totient is φ = 126668826.

The previous prime is 126668809. The next prime is 126668849. The reversal of 126668827 is 728866621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126668827 - 2²³ = 118280219 is a prime.

It is not a weakly prime, because it can be changed into another prime (126662827) 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, 63334413 + 63334414.

It is an arithmetic number, because the mean of its divisors is an integer number (63334414).

Almost surely, 2^126668827 is an apocalyptic number.

126668827 is a deficient number, since it is larger than the sum of its proper divisors (1).

126668827 is an equidigital number, since it uses as much as digits as its factorization.

126668827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 126668827 is about 11254.7246523405. The cubic root of 126668827 is about 502.2152733000.

The spelling of 126668827 in words is "one hundred twenty-six million, six hundred sixty-eight thousand, eight hundred twenty-seven".