1266063 has 8 divisors (see below), whose sum is σ = 1701888. Its totient is φ = 837144.

The previous prime is 1266059. The next prime is 1266073. The reversal of 1266063 is 3606621.

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

It is not a de Polignac number, because 1266063 - 2² = 1266059 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266043) 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 7 ways as a sum of consecutive naturals, for example, 1281 + ... + 2042.

It is an arithmetic number, because the mean of its divisors is an integer number (212736).

2^1266063 is an apocalyptic number.

1266063 is a deficient number, since it is larger than the sum of its proper divisors (435825).

1266063 is a wasteful number, since it uses less digits than its factorization.

1266063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1266063 is about 1125.1946498273. The cubic root of 1266063 is about 108.1811944635.

The spelling of 1266063 in words is "one million, two hundred sixty-six thousand, sixty-three".