1204003600 has 60 divisors (see below), whose sum is σ = 2932314676. Its totient is φ = 474992640.

The previous prime is 1204003579. The next prime is 1204003627. The reversal of 1204003600 is 63004021.

It can be written as a sum of positive squares in 6 ways, for example, as 31899904 + 1172103696 = 5648^2 + 34236^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8584 + ... + 49816.

Almost surely, 2^1204003600 is an apocalyptic number.

1204003600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204003600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466157338).

1204003600 is an abundant number, since it is smaller than the sum of its proper divisors (1728311076).

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

1204003600 is a wasteful number, since it uses less digits than its factorization.

1204003600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41324 (or 41313 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1204003600 is about 34698.7550208938. The cubic root of 1204003600 is about 1063.8390517287.

Adding to 1204003600 its reverse (63004021), we get a palindrome (1267007621).

The spelling of 1204003600 in words is "one billion, two hundred four million, three thousand, six hundred".