1275273 has 6 divisors (see below), whose sum is σ = 1842074. Its totient is φ = 850176.

The previous prime is 1275269. The next prime is 1275277. The reversal of 1275273 is 3725721.

It is an interprime number because it is at equal distance from previous prime (1275269) and next prime (1275277).

It can be written as a sum of positive squares in only one way, i.e., 1108809 + 166464 = 1053^2 + 408^2 .

It is not a de Polignac number, because 1275273 - 2² = 1275269 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹⁰ + 7 + 5⁸ + 2¹⁰ + 7⁷ + 3¹⁰ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1275277) 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 5 ways as a sum of consecutive naturals, for example, 70840 + ... + 70857.

2^1275273 is an apocalyptic number.

It is an amenable number.

1275273 is a deficient number, since it is larger than the sum of its proper divisors (566801).

1275273 is a wasteful number, since it uses less digits than its factorization.

1275273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141703 (or 141700 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 1275273 is about 1129.2798590252. The cubic root of 1275273 is about 108.4428830029.

The spelling of 1275273 in words is "one million, two hundred seventy-five thousand, two hundred seventy-three".