1321300204 has 48 divisors (see below), whose sum is σ = 2877638400. Its totient is φ = 517962816.

The previous prime is 1321300193. The next prime is 1321300207. The reversal of 1321300204 is 4020031231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1321300207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27394 + ... + 58249.

It is an arithmetic number, because the mean of its divisors is an integer number (59950800).

Almost surely, 2^1321300204 is an apocalyptic number.

1321300204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321300204 is an abundant number, since it is smaller than the sum of its proper divisors (1556338196).

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

1321300204 is a wasteful number, since it uses less digits than its factorization.

1321300204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85702 (or 85700 counting only the distinct ones).

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

The square root of 1321300204 is about 36349.6933136994. The cubic root of 1321300204 is about 1097.3213623666.

Adding to 1321300204 its reverse (4020031231), we get a palindrome (5341331435).

The spelling of 1321300204 in words is "one billion, three hundred twenty-one million, three hundred thousand, two hundred four".