1042056 has 48 divisors (see below), whose sum is σ = 2899260. Its totient is φ = 337920.

The previous prime is 1042043. The next prime is 1042081. The reversal of 1042056 is 6502401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 108900 = 966^2 + 330^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2776 + ... + 3128.

2^1042056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449630).

1042056 is an abundant number, since it is smaller than the sum of its proper divisors (1857204).

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

1042056 is a wasteful number, since it uses less digits than its factorization.

1042056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1042056 is about 1020.8114419421. The cubic root of 1042056 is about 101.3826610410.

Adding to 1042056 its reverse (6502401), we get a palindrome (7544457).

The spelling of 1042056 in words is "one million, forty-two thousand, fifty-six".