1275873 has 4 divisors (see below), whose sum is σ = 1701168. Its totient is φ = 850580.

The previous prime is 1275863. The next prime is 1275877. The reversal of 1275873 is 3785721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1275873 - 2⁹ = 1275361 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1275877) 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 3 ways as a sum of consecutive naturals, for example, 212643 + ... + 212648.

It is an arithmetic number, because the mean of its divisors is an integer number (425292).

2^1275873 is an apocalyptic number.

It is an amenable number.

1275873 is a deficient number, since it is larger than the sum of its proper divisors (425295).

1275873 is an equidigital number, since it uses as much as digits as its factorization.

1275873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425294.

The product of its digits is 11760, while the sum is 33.

The square root of 1275873 is about 1129.5454838120. The cubic root of 1275873 is about 108.4598873432.

The spelling of 1275873 in words is "one million, two hundred seventy-five thousand, eight hundred seventy-three".