1305065107 has 4 divisors (see below), whose sum is σ = 1305208800. Its totient is φ = 1304921416.

The previous prime is 1305065101. The next prime is 1305065159. The reversal of 1305065107 is 7015605031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1305065107 - 2⁷ = 1305064979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305065101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 57232 + ... + 76717.

It is an arithmetic number, because the mean of its divisors is an integer number (326302200).

Almost surely, 2^1305065107 is an apocalyptic number.

1305065107 is a deficient number, since it is larger than the sum of its proper divisors (143693).

1305065107 is an equidigital number, since it uses as much as digits as its factorization.

1305065107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143692.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 1305065107 is about 36125.6848654804. The cubic root of 1305065107 is about 1092.8084876097.

The spelling of 1305065107 in words is "one billion, three hundred five million, sixty-five thousand, one hundred seven".