1307231265 has 16 divisors (see below), whose sum is σ = 2094648768. Its totient is φ = 696163776.

The previous prime is 1307231227. The next prime is 1307231291. The reversal of 1307231265 is 5621327031.

It is not a de Polignac number, because 1307231265 - 2⁷ = 1307231137 is a prime.

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, 53554 + ... + 74043.

It is an arithmetic number, because the mean of its divisors is an integer number (130915548).

Almost surely, 2^1307231265 is an apocalyptic number.

1307231265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1307231265 is a deficient number, since it is larger than the sum of its proper divisors (787417503).

1307231265 is a wasteful number, since it uses less digits than its factorization.

1307231265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128288.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1307231265 is about 36155.6532923968. The cubic root of 1307231265 is about 1093.4127709629.

Adding to 1307231265 its reverse (5621327031), we get a palindrome (6928558296).

The spelling of 1307231265 in words is "one billion, three hundred seven million, two hundred thirty-one thousand, two hundred sixty-five".