1200321204 has 24 divisors (see below), whose sum is σ = 2801329440. Its totient is φ = 400024224.

The previous prime is 1200321179. The next prime is 1200321247. The reversal of 1200321204 is 4021230021.

1200321204 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 85507 + ... + 98549.

It is an arithmetic number, because the mean of its divisors is an integer number (116722060).

Almost surely, 2^1200321204 is an apocalyptic number.

It is an amenable number.

1200321204 is an abundant number, since it is smaller than the sum of its proper divisors (1601008236).

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

1200321204 is a wasteful number, since it uses less digits than its factorization.

1200321204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719 (or 20717 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1200321204 is about 34645.6520215741. The cubic root of 1200321204 is about 1062.7533746640.

Adding to 1200321204 its reverse (4021230021), we get a palindrome (5221551225).

The spelling of 1200321204 in words is "one billion, two hundred million, three hundred twenty-one thousand, two hundred four".