1266207 has 4 divisors (see below), whose sum is σ = 1688280. Its totient is φ = 844136.

The previous prime is 1266197. The next prime is 1266229. The reversal of 1266207 is 7026621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1266207 - 2⁴ = 1266191 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266247) 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 in 3 ways as a sum of consecutive naturals, for example, 211032 + ... + 211037.

It is an arithmetic number, because the mean of its divisors is an integer number (422070).

2^1266207 is an apocalyptic number.

1266207 is a deficient number, since it is larger than the sum of its proper divisors (422073).

1266207 is an equidigital number, since it uses as much as digits as its factorization.

1266207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422072.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1266207 is about 1125.2586369364. The cubic root of 1266207 is about 108.1852957606.

The spelling of 1266207 in words is "one million, two hundred sixty-six thousand, two hundred seven".