1283020 has 12 divisors (see below), whose sum is σ = 2694384. Its totient is φ = 513200.

The previous prime is 1283017. The next prime is 1283021. The reversal of 1283020 is 203821.

It is a happy number.

It is a super-2 number, since 2×1283020² = 3292280640800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1282985 and 1283003.

It is not an unprimeable number, because it can be changed into a prime (1283021) 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 3 ways as a sum of consecutive naturals, for example, 32056 + ... + 32095.

It is an arithmetic number, because the mean of its divisors is an integer number (224532).

2^1283020 is an apocalyptic number.

1283020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1283020 is an abundant number, since it is smaller than the sum of its proper divisors (1411364).

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

1283020 is a wasteful number, since it uses less digits than its factorization.

1283020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64160 (or 64158 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1283020 is about 1132.7047276321. The cubic root of 1283020 is about 108.6620286494.

Adding to 1283020 its reverse (203821), we get a palindrome (1486841).

The spelling of 1283020 in words is "one million, two hundred eighty-three thousand, twenty".