1303130660 has 48 divisors (see below), whose sum is σ = 3048721200. Its totient is φ = 464561664.

The previous prime is 1303130657. The next prime is 1303130693. The reversal of 1303130660 is 660313031.

It can be written as a sum of positive squares in 8 ways, for example, as 404090404 + 899040256 = 20102^2 + 29984^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78875 + ... + 93954.

It is an arithmetic number, because the mean of its divisors is an integer number (63515025).

Almost surely, 2^1303130660 is an apocalyptic number.

1303130660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303130660 is an abundant number, since it is smaller than the sum of its proper divisors (1745590540).

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

1303130660 is a wasteful number, since it uses less digits than its factorization.

1303130660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172880 (or 172878 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1303130660 is about 36098.9010913075. The cubic root of 1303130660 is about 1092.2682781749.

Adding to 1303130660 its reverse (660313031), we get a palindrome (1963443691).

The spelling of 1303130660 in words is "one billion, three hundred three million, one hundred thirty thousand, six hundred sixty".