1200728804 has 24 divisors (see below), whose sum is σ = 2315005056. Its totient is φ = 540380000.

The previous prime is 1200728779. The next prime is 1200728813. The reversal of 1200728804 is 4088270021.

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, 130652 + ... + 139539.

It is an arithmetic number, because the mean of its divisors is an integer number (96458544).

Almost surely, 2^1200728804 is an apocalyptic number.

It is an amenable number.

1200728804 is a deficient number, since it is larger than the sum of its proper divisors (1114276252).

1200728804 is a wasteful number, since it uses less digits than its factorization.

1200728804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270307 (or 270305 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 1200728804 is about 34651.5339343008. The cubic root of 1200728804 is about 1062.8736561495.

Adding to 1200728804 its reverse (4088270021), we get a palindrome (5288998825).

The spelling of 1200728804 in words is "one billion, two hundred million, seven hundred twenty-eight thousand, eight hundred four".