1275967 has 16 divisors (see below), whose sum is σ = 1619712. Its totient is φ = 976320.

The previous prime is 1275947. The next prime is 1275973. The reversal of 1275967 is 7695721.

It is a cyclic number.

It is not a de Polignac number, because 1275967 - 2⁷ = 1275839 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 (1275947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5508 + ... + 5734.

It is an arithmetic number, because the mean of its divisors is an integer number (101232).

2^1275967 is an apocalyptic number.

1275967 is a deficient number, since it is larger than the sum of its proper divisors (343745).

1275967 is a wasteful number, since it uses less digits than its factorization.

1275967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 26460, while the sum is 37.

The square root of 1275967 is about 1129.5870927025. The cubic root of 1275967 is about 108.4625508734.

The spelling of 1275967 in words is "one million, two hundred seventy-five thousand, nine hundred sixty-seven".