1303168725 has 36 divisors (see below), whose sum is σ = 2336179716. Its totient is φ = 694410240.

The previous prime is 1303168709. The next prime is 1303168733. The reversal of 1303168725 is 5278613031.

It can be written as a sum of positive squares in 6 ways, for example, as 222666084 + 1080502641 = 14922^2 + 32871^2 .

It is not a de Polignac number, because 1303168725 - 2⁴ = 1303168709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303168725.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 380119 + ... + 383531.

It is an arithmetic number, because the mean of its divisors is an integer number (64893881).

Almost surely, 2^1303168725 is an apocalyptic number.

1303168725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303168725 is a deficient number, since it is larger than the sum of its proper divisors (1033010991).

1303168725 is a wasteful number, since it uses less digits than its factorization.

1303168725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5126 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1303168725 is about 36099.4283195732. The cubic root of 1303168725 is about 1092.2789132781.

The spelling of 1303168725 in words is "one billion, three hundred three million, one hundred sixty-eight thousand, seven hundred twenty-five".