1042442 has 8 divisors (see below), whose sum is σ = 1571076. Its totient is φ = 518752.

The previous prime is 1042439. The next prime is 1042451. The reversal of 1042442 is 2442401.

1042442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1021²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 1 = 1021^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 1042442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653 + ... + 1584.

2^1042442 is an apocalyptic number.

1042442 is a deficient number, since it is larger than the sum of its proper divisors (528634).

1042442 is a wasteful number, since it uses less digits than its factorization.

1042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1042442 is about 1021.0004897158. Note that the first 3 decimals coincide. The cubic root of 1042442 is about 101.3951776032.

Adding to 1042442 its reverse (2442401), we get a palindrome (3484843).

The spelling of 1042442 in words is "one million, forty-two thousand, four hundred forty-two".