1004025042 has 48 divisors (see below), whose sum is σ = 2210749632. Its totient is φ = 329277600.

The previous prime is 1004025041. The next prime is 1004025059. The reversal of 1004025042 is 2405204001.

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

It is not an unprimeable number, because it can be changed into a prime (1004025041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301953 + ... + 305259.

It is an arithmetic number, because the mean of its divisors is an integer number (46057284).

Almost surely, 2^1004025042 is an apocalyptic number.

1004025042 is an abundant number, since it is smaller than the sum of its proper divisors (1206724590).

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

1004025042 is a wasteful number, since it uses less digits than its factorization.

1004025042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583 (or 3580 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1004025042 is about 31686.3541923018. The cubic root of 1004025042 is about 1001.3398845742.

Adding to 1004025042 its reverse (2405204001), we get a palindrome (3409229043).

The spelling of 1004025042 in words is "one billion, four million, twenty-five thousand, forty-two".