1012842 has 12 divisors (see below), whose sum is σ = 2194530. Its totient is φ = 337608.

The previous prime is 1012831. The next prime is 1012861. The reversal of 1012842 is 2482101.

It can be written as a sum of positive squares in only one way, i.e., 549081 + 463761 = 741^2 + 681^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 56269 = 1012842 / (1 + 0 + 1 + 2 + 8 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28117 + ... + 28152.

2^1012842 is an apocalyptic number.

1012842 is an abundant number, since it is smaller than the sum of its proper divisors (1181688).

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

1012842 is a wasteful number, since it uses less digits than its factorization.

1012842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56277 (or 56274 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1012842 is about 1006.4005166930. The cubic root of 1012842 is about 100.4262472183.

Adding to 1012842 its reverse (2482101), we get a palindrome (3494943).

The spelling of 1012842 in words is "one million, twelve thousand, eight hundred forty-two".