1000042 has 16 divisors (see below), whose sum is σ = 1615680. Its totient is φ = 462528.

The previous prime is 1000039. The next prime is 1000081. The reversal of 1000042 is 2400001.

1000042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 999989 and 1000034.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (100980).

2^1000042 is an apocalyptic number.

1000042 is a deficient number, since it is larger than the sum of its proper divisors (615638).

1000042 is a wasteful number, since it uses less digits than its factorization.

1000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1000042 is about 1000.0209997795. The cubic root of 1000042 is about 100.0013999804.

Adding to 1000042 its reverse (2400001), we get a palindrome (3400043).

The spelling of 1000042 in words is "one million, forty-two", and thus it is an aban number and an uban number.