1305125268 has 48 divisors (see below), whose sum is σ = 3067384320. Its totient is φ = 431898624.

The previous prime is 1305125249. The next prime is 1305125299. The reversal of 1305125268 is 8625215031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696788 + ... + 1697556.

It is an arithmetic number, because the mean of its divisors is an integer number (63903840).

Almost surely, 2^1305125268 is an apocalyptic number.

It is an amenable number.

1305125268 is an abundant number, since it is smaller than the sum of its proper divisors (1762259052).

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

1305125268 is a wasteful number, since it uses less digits than its factorization.

1305125268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1305125268 is about 36126.5175182995. The cubic root of 1305125268 is about 1092.8252794772.

The spelling of 1305125268 in words is "one billion, three hundred five million, one hundred twenty-five thousand, two hundred sixty-eight".