1305313124 has 12 divisors (see below), whose sum is σ = 2285469564. Its totient is φ = 652321824.

The previous prime is 1305313111. The next prime is 1305313153. The reversal of 1305313124 is 4213135031.

It can be written as a sum of positive squares in 2 ways, for example, as 88698724 + 1216614400 = 9418^2 + 34880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1305313124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74807 + ... + 90590.

It is an arithmetic number, because the mean of its divisors is an integer number (190455797).

Almost surely, 2^1305313124 is an apocalyptic number.

It is an amenable number.

1305313124 is a deficient number, since it is larger than the sum of its proper divisors (980156440).

1305313124 is a wasteful number, since it uses less digits than its factorization.

1305313124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167374 (or 167372 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1305313124 is about 36129.1173985748. The cubic root of 1305313124 is about 1092.8777096772.

Adding to 1305313124 its reverse (4213135031), we get a palindrome (5518448155).

The spelling of 1305313124 in words is "one billion, three hundred five million, three hundred thirteen thousand, one hundred twenty-four".