1266065 has 8 divisors (see below), whose sum is σ = 1599360. Its totient is φ = 959472.

The previous prime is 1266059. The next prime is 1266073. The reversal of 1266065 is 5606621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1266065 - 2¹⁰ = 1265041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569 + ... + 6758.

It is an arithmetic number, because the mean of its divisors is an integer number (199920).

2^1266065 is an apocalyptic number.

It is an amenable number.

1266065 is a deficient number, since it is larger than the sum of its proper divisors (333295).

1266065 is a wasteful number, since it uses less digits than its factorization.

1266065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1266065 is about 1125.1955385621. The cubic root of 1266065 is about 108.1812514281.

The spelling of 1266065 in words is "one million, two hundred sixty-six thousand, sixty-five".