1282842 has 72 divisors (see below), whose sum is σ = 3319680. Its totient is φ = 356400.

The previous prime is 1282817. The next prime is 1282867. The reversal of 1282842 is 2482821.

It is an interprime number because it is at equal distance from previous prime (1282817) and next prime (1282867).

It is a super-3 number, since 3×1282842³ = 6333456110689475064, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41367 + ... + 41397.

2^1282842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1282842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659840).

1282842 is an abundant number, since it is smaller than the sum of its proper divisors (2036838).

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

1282842 is a wasteful number, since it uses less digits than its factorization.

1282842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 66 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 1282842 is about 1132.6261519142. The cubic root of 1282842 is about 108.6570033352.

The spelling of 1282842 in words is "one million, two hundred eighty-two thousand, eight hundred forty-two".