126966017 has 2 divisors, whose sum is σ = 126966018. Its totient is φ = 126966016.

The previous prime is 126966011. The next prime is 126966041. The reversal of 126966017 is 710669621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 57093136 = 8359^2 + 7556^2 .

It is a cyclic number.

It is not a de Polignac number, because 126966017 - 2¹² = 126961921 is a prime.

It is a super-2 number, since 2×126966017² = 32240738945688578, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126966011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63483008 + 63483009.

It is an arithmetic number, because the mean of its divisors is an integer number (63483009).

Almost surely, 2^126966017 is an apocalyptic number.

It is an amenable number.

126966017 is a deficient number, since it is larger than the sum of its proper divisors (1).

126966017 is an equidigital number, since it uses as much as digits as its factorization.

126966017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 126966017 is about 11267.9198168961. The cubic root of 126966017 is about 502.6077318251.

The spelling of 126966017 in words is "one hundred twenty-six million, nine hundred sixty-six thousand, seventeen".