1282280 has 16 divisors (see below), whose sum is σ = 2885220. Its totient is φ = 512896.

The previous prime is 1282279. The next prime is 1282289. The reversal of 1282280 is 822821.

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 111556 = 1082^2 + 334^2 .

It is not an unprimeable number, because it can be changed into a prime (1282289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15989 + ... + 16068.

2^1282280 is an apocalyptic number.

1282280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282280 is an abundant number, since it is smaller than the sum of its proper divisors (1602940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1282280 is a wasteful number, since it uses less digits than its factorization.

1282280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32068 (or 32064 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1282280 is about 1132.3780287519. The cubic root of 1282280 is about 108.6411338425.

The spelling of 1282280 in words is "one million, two hundred eighty-two thousand, two hundred eighty".