1205204808 has 32 divisors (see below), whose sum is σ = 3171592800. Its totient is φ = 380590848.

The previous prime is 1205204797. The next prime is 1205204809. The reversal of 1205204808 is 8084025021.

It is not an unprimeable number, because it can be changed into a prime (1205204809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321041 + ... + 1321952.

It is an arithmetic number, because the mean of its divisors is an integer number (99112275).

Almost surely, 2^1205204808 is an apocalyptic number.

It is an amenable number.

1205204808 is an abundant number, since it is smaller than the sum of its proper divisors (1966387992).

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

1205204808 is a wasteful number, since it uses less digits than its factorization.

1205204808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643021 (or 2643017 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 1205204808 is about 34716.0597994646. The cubic root of 1205204808 is about 1064.1927237720.

Adding to 1205204808 its reverse (8084025021), we get a palindrome (9289229829).

The spelling of 1205204808 in words is "one billion, two hundred five million, two hundred four thousand, eight hundred eight".