1001267 has 2 divisors, whose sum is σ = 1001268. Its totient is φ = 1001266.

The previous prime is 1001237. The next prime is 1001279. The reversal of 1001267 is 7621001.

It is a happy number.

1001267 is nontrivially palindromic in base 8.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001267 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1001237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500633 + 500634.

It is an arithmetic number, because the mean of its divisors is an integer number (500634).

2^1001267 is an apocalyptic number.

1001267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001267 is an equidigital number, since it uses as much as digits as its factorization.

1001267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1001267 is about 1000.6332994659. The cubic root of 1001267 is about 100.0422155093.

Adding to 1001267 its reverse (7621001), we get a palindrome (8622268).

The spelling of 1001267 in words is "one million, one thousand, two hundred sixty-seven".