1282085 has 12 divisors (see below), whose sum is σ = 1790028. Its totient is φ = 878976.

The previous prime is 1282081. The next prime is 1282093. The reversal of 1282085 is 5802821.

It can be written as a sum of positive squares in 2 ways, for example, as 919681 + 362404 = 959^2 + 602^2 .

It is not a de Polignac number, because 1282085 - 2² = 1282081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2372 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (149169).

2^1282085 is an apocalyptic number.

It is an amenable number.

1282085 is a deficient number, since it is larger than the sum of its proper divisors (507943).

1282085 is an equidigital number, since it uses as much as digits as its factorization.

1282085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252 (or 5245 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1282085 is about 1132.2919234897. The cubic root of 1282085 is about 108.6356264403.

The spelling of 1282085 in words is "one million, two hundred eighty-two thousand, eighty-five".