1266007 has 4 divisors (see below), whose sum is σ = 1340496. Its totient is φ = 1191520.

The previous prime is 1265993. The next prime is 1266019. The reversal of 1266007 is 7006621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1266007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266047) 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, 37219 + ... + 37252.

It is an arithmetic number, because the mean of its divisors is an integer number (335124).

2^1266007 is an apocalyptic number.

1266007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1266007 is a deficient number, since it is larger than the sum of its proper divisors (74489).

1266007 is an equidigital number, since it uses as much as digits as its factorization.

1266007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74488.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1266007 is about 1125.1697649688. The cubic root of 1266007 is about 108.1795994306.

The spelling of 1266007 in words is "one million, two hundred sixty-six thousand, seven".