1204600720 has 20 divisors (see below), whose sum is σ = 2800696860. Its totient is φ = 481840256.

The previous prime is 1204600717. The next prime is 1204600721. The reversal of 1204600720 is 270064021.

It can be written as a sum of positive squares in 2 ways, for example, as 240374016 + 964226704 = 15504^2 + 31052^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1204600691 and 1204600700.

It is not an unprimeable number, because it can be changed into a prime (1204600721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7528675 + ... + 7528834.

It is an arithmetic number, because the mean of its divisors is an integer number (140034843).

Almost surely, 2^1204600720 is an apocalyptic number.

1204600720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204600720 is an abundant number, since it is smaller than the sum of its proper divisors (1596096140).

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

1204600720 is a wasteful number, since it uses less digits than its factorization.

1204600720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057522 (or 15057516 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1204600720 is about 34707.3582976290. The cubic root of 1204600720 is about 1064.0148913438.

Adding to 1204600720 its reverse (270064021), we get a palindrome (1474664741).

The spelling of 1204600720 in words is "one billion, two hundred four million, six hundred thousand, seven hundred twenty".