1269265 has 4 divisors (see below), whose sum is σ = 1523124. Its totient is φ = 1015408.

The previous prime is 1269263. The next prime is 1269283. The reversal of 1269265 is 5629621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 923521 + 345744 = 961^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1269265 - 2¹ = 1269263 is a prime.

It is a super-2 number, since 2×1269265² = 3222067280450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1269265 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1269263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126922 + ... + 126931.

It is an arithmetic number, because the mean of its divisors is an integer number (380781).

2^1269265 is an apocalyptic number.

It is an amenable number.

1269265 is a deficient number, since it is larger than the sum of its proper divisors (253859).

1269265 is an equidigital number, since it uses as much as digits as its factorization.

1269265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253858.

The product of its digits is 6480, while the sum is 31.

The square root of 1269265 is about 1126.6166162453. The cubic root of 1269265 is about 108.2723180413.

The spelling of 1269265 in words is "one million, two hundred sixty-nine thousand, two hundred sixty-five".