1273285 has 16 divisors (see below), whose sum is σ = 1733760. Its totient is φ = 889920.

The previous prime is 1273267. The next prime is 1273289. The reversal of 1273285 is 5823721.

It is not a de Polignac number, because 1273285 - 2⁷ = 1273157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (108360).

2^1273285 is an apocalyptic number.

It is an amenable number.

1273285 is a deficient number, since it is larger than the sum of its proper divisors (460475).

1273285 is a wasteful number, since it uses less digits than its factorization.

1273285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its digits is 3360, while the sum is 28.

The square root of 1273285 is about 1128.3993087555. The cubic root of 1273285 is about 108.3865038140.

The spelling of 1273285 in words is "one million, two hundred seventy-three thousand, two hundred eighty-five".