1282180 has 12 divisors (see below), whose sum is σ = 2692620. Its totient is φ = 512864.

The previous prime is 1282163. The next prime is 1282187. The reversal of 1282180 is 812821.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 298116 = 992^2 + 546^2 .

It is not an unprimeable number, because it can be changed into a prime (1282187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32035 + ... + 32074.

It is an arithmetic number, because the mean of its divisors is an integer number (224385).

2^1282180 is an apocalyptic number.

1282180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282180 is an abundant number, since it is smaller than the sum of its proper divisors (1410440).

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

1282180 is a wasteful number, since it uses less digits than its factorization.

1282180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64118 (or 64116 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1282180 is about 1132.3338730251. Note that the first 3 decimals coincide. The cubic root of 1282180 is about 108.6383096034.

The spelling of 1282180 in words is "one million, two hundred eighty-two thousand, one hundred eighty".