1242803004 has 48 divisors (see below), whose sum is σ = 3004646400. Its totient is φ = 399345856.

The previous prime is 1242802993. The next prime is 1242803011. The reversal of 1242803004 is 4003082421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247729 + ... + 252695.

It is an arithmetic number, because the mean of its divisors is an integer number (62596800).

Almost surely, 2^1242803004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242803004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502323200).

1242803004 is an abundant number, since it is smaller than the sum of its proper divisors (1761843396).

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

1242803004 is a wasteful number, since it uses less digits than its factorization.

1242803004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5722 (or 5720 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1242803004 is about 35253.4112391978. The cubic root of 1242803004 is about 1075.1459701549.

Adding to 1242803004 its reverse (4003082421), we get a palindrome (5245885425).

The spelling of 1242803004 in words is "one billion, two hundred forty-two million, eight hundred three thousand, four".