1004221042 has 16 divisors (see below), whose sum is σ = 1739934432. Its totient is φ = 429613120.

The previous prime is 1004221013. The next prime is 1004221073. The reversal of 1004221042 is 2401224001.

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, 1342168 + ... + 1342915.

It is an arithmetic number, because the mean of its divisors is an integer number (108745902).

Almost surely, 2^1004221042 is an apocalyptic number.

1004221042 is a deficient number, since it is larger than the sum of its proper divisors (735713390).

1004221042 is a wasteful number, since it uses less digits than its factorization.

1004221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685113.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1004221042 is about 31689.4468553807. The cubic root of 1004221042 is about 1001.4050389410.

Adding to 1004221042 its reverse (2401224001), we get a palindrome (3405445043).

The spelling of 1004221042 in words is "one billion, four million, two hundred twenty-one thousand, forty-two".