1204505056 has 24 divisors (see below), whose sum is σ = 2388438360. Its totient is φ = 597917568.

The previous prime is 1204505041. The next prime is 1204505059. The reversal of 1204505056 is 6505054021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204505059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130951 + ... + 139846.

It is an arithmetic number, because the mean of its divisors is an integer number (99518265).

Almost surely, 2^1204505056 is an apocalyptic number.

1204505056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1204505056 is a deficient number, since it is larger than the sum of its proper divisors (1183933304).

1204505056 is a wasteful number, since it uses less digits than its factorization.

1204505056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270946 (or 270938 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1204505056 is about 34705.9801187058. The cubic root of 1204505056 is about 1063.9867241640.

Adding to 1204505056 its reverse (6505054021), we get a palindrome (7709559077).

The spelling of 1204505056 in words is "one billion, two hundred four million, five hundred five thousand, fifty-six".