1266073 has 2 divisors, whose sum is σ = 1266074. Its totient is φ = 1266072.

The previous prime is 1266059. The next prime is 1266077. The reversal of 1266073 is 3706621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700569 + 565504 = 837^2 + 752^2 .

It is an emirp because it is prime and its reverse (3706621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1266073 is a prime.

1266073 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1266077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633036 + 633037.

It is an arithmetic number, because the mean of its divisors is an integer number (633037).

2^1266073 is an apocalyptic number.

It is an amenable number.

1266073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266073 is an equidigital number, since it uses as much as digits as its factorization.

1266073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1266073 is about 1125.1990934941. The cubic root of 1266073 is about 108.1814792858.

The spelling of 1266073 in words is "one million, two hundred sixty-six thousand, seventy-three".