1004121242 has 8 divisors (see below), whose sum is σ = 1542918132. Its totient is φ = 489815200.

The previous prime is 1004121227. The next prime is 1004121247. The reversal of 1004121242 is 2421214001.

It can be written as a sum of positive squares in 2 ways, for example, as 990423841 + 13697401 = 31471^2 + 3701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1004121242.

It is not an unprimeable number, because it can be changed into a prime (1004121247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6122609 + ... + 6122772.

Almost surely, 2^1004121242 is an apocalyptic number.

1004121242 is a deficient number, since it is larger than the sum of its proper divisors (538796890).

1004121242 is a wasteful number, since it uses less digits than its factorization.

1004121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245424.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1004121242 is about 31687.8721595503. The cubic root of 1004121242 is about 1001.3718644606.

Adding to 1004121242 its reverse (2421214001), we get a palindrome (3425335243).

The spelling of 1004121242 in words is "one billion, four million, one hundred twenty-one thousand, two hundred forty-two".