1300056065 has 48 divisors (see below), whose sum is σ = 1967395584. Its totient is φ = 807269760.

The previous prime is 1300056053. The next prime is 1300056097. The reversal of 1300056065 is 5606500031.

It is not a de Polignac number, because 1300056065 - 2¹⁰ = 1300055041 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 1579244 + ... + 1580066.

It is an arithmetic number, because the mean of its divisors is an integer number (40987408).

Almost surely, 2^1300056065 is an apocalyptic number.

It is an amenable number.

1300056065 is a deficient number, since it is larger than the sum of its proper divisors (667339519).

1300056065 is a wasteful number, since it uses less digits than its factorization.

1300056065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1219 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1300056065 is about 36056.2902279200. The cubic root of 1300056065 is about 1091.4085723079.

Adding to 1300056065 its reverse (5606500031), we get a palindrome (6906556096).

The spelling of 1300056065 in words is "one billion, three hundred million, fifty-six thousand, sixty-five".