126661627 has 2 divisors, whose sum is σ = 126661628. Its totient is φ = 126661626.

The previous prime is 126661603. The next prime is 126661697. The reversal of 126661627 is 726166621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126661627 - 2¹¹ = 126659579 is a prime.

It is not a weakly prime, because it can be changed into another prime (126661697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63330813 + 63330814.

It is an arithmetic number, because the mean of its divisors is an integer number (63330814).

Almost surely, 2^126661627 is an apocalyptic number.

126661627 is a deficient number, since it is larger than the sum of its proper divisors (1).

126661627 is an equidigital number, since it uses as much as digits as its factorization.

126661627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 126661627 is about 11254.4047821286. The cubic root of 126661627 is about 502.2057576242.

The spelling of 126661627 in words is "one hundred twenty-six million, six hundred sixty-one thousand, six hundred twenty-seven".