1004204542 has 16 divisors (see below), whose sum is σ = 1681460352. Its totient is φ = 445840920.

The previous prime is 1004204503. The next prime is 1004204543. The reversal of 1004204542 is 2454024001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004204543) 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, 529818 + ... + 531709.

It is an arithmetic number, because the mean of its divisors is an integer number (105091272).

Almost surely, 2^1004204542 is an apocalyptic number.

1004204542 is a deficient number, since it is larger than the sum of its proper divisors (677255810).

1004204542 is a wasteful number, since it uses less digits than its factorization.

1004204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061583.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1004204542 is about 31689.1865152768. The cubic root of 1004204542 is about 1001.3995543339.

Adding to 1004204542 its reverse (2454024001), we get a palindrome (3458228543).

The spelling of 1004204542 in words is "one billion, four million, two hundred four thousand, five hundred forty-two".