1268565 has 16 divisors (see below), whose sum is σ = 2118528. Its totient is φ = 646976.

The previous prime is 1268563. The next prime is 1268567. The reversal of 1268565 is 5658621.

It is an interprime number because it is at equal distance from previous prime (1268563) and next prime (1268567).

It is a cyclic number.

It is not a de Polignac number, because 1268565 - 2¹ = 1268563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (132408).

2^1268565 is an apocalyptic number.

1268565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1268565 is a deficient number, since it is larger than the sum of its proper divisors (849963).

1268565 is a wasteful number, since it uses less digits than its factorization.

1268565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708.

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

The square root of 1268565 is about 1126.3059087122. The cubic root of 1268565 is about 108.2524103100.

The spelling of 1268565 in words is "one million, two hundred sixty-eight thousand, five hundred sixty-five".