1205523204 has 24 divisors (see below), whose sum is σ = 2839179168. Its totient is φ = 398085120.

The previous prime is 1205523203. The next prime is 1205523247. The reversal of 1205523204 is 4023255021.

It is not an unprimeable number, because it can be changed into a prime (1205523203) 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, 468157 + ... + 470724.

It is an arithmetic number, because the mean of its divisors is an integer number (118299132).

Almost surely, 2^1205523204 is an apocalyptic number.

It is an amenable number.

1205523204 is an abundant number, since it is smaller than the sum of its proper divisors (1633655964).

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

1205523204 is a wasteful number, since it uses less digits than its factorization.

1205523204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938995 (or 938993 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1205523204 is about 34720.6452128989. The cubic root of 1205523204 is about 1064.2864298017.

Adding to 1205523204 its reverse (4023255021), we get a palindrome (5228778225).

The spelling of 1205523204 in words is "one billion, two hundred five million, five hundred twenty-three thousand, two hundred four".