1004142 has 16 divisors (see below), whose sum is σ = 2029392. Its totient is φ = 331200.

The previous prime is 1004141. The next prime is 1004161. The reversal of 1004142 is 2414001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (126837).

2^1004142 is an apocalyptic number.

1004142 is an abundant number, since it is smaller than the sum of its proper divisors (1025250).

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

1004142 is a wasteful number, since it uses less digits than its factorization.

1004142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1004142 is about 1002.0688599093. The cubic root of 1004142 is about 100.1378764801.

Adding to 1004142 its reverse (2414001), we get a palindrome (3418143).

The spelling of 1004142 in words is "one million, four thousand, one hundred forty-two".