1265465 has 8 divisors (see below), whose sum is σ = 1555848. Its totient is φ = 987520.

The previous prime is 1265461. The next prime is 1265471. The reversal of 1265465 is 5645621.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 1149184 = 341^2 + 1072^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1265465 - 2² = 1265461 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1265461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2882 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (194481).

2^1265465 is an apocalyptic number.

It is an amenable number.

1265465 is a deficient number, since it is larger than the sum of its proper divisors (290383).

1265465 is an equidigital number, since it uses as much as digits as its factorization.

1265465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219.

The product of its digits is 7200, while the sum is 29.

The square root of 1265465 is about 1124.9288866413. The cubic root of 1265465 is about 108.1641593601.

The spelling of 1265465 in words is "one million, two hundred sixty-five thousand, four hundred sixty-five".