1265329 has 8 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 1157520.

The previous prime is 1265321. The next prime is 1265333. The reversal of 1265329 is 9235621.

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

It is not a de Polignac number, because 1265329 - 2³ = 1265321 is a prime.

It is a Duffinian number.

1265329 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1265297 and 1265306.

It is not an unprimeable number, because it can be changed into a prime (1265321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (171864).

2^1265329 is an apocalyptic number.

It is an amenable number.

1265329 is a deficient number, since it is larger than the sum of its proper divisors (109583).

1265329 is a wasteful number, since it uses less digits than its factorization.

1265329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its digits is 3240, while the sum is 28.

The square root of 1265329 is about 1124.8684367516. The cubic root of 1265329 is about 108.1602844070.

It can be divided in two parts, 12 and 65329, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 1265329 in words is "one million, two hundred sixty-five thousand, three hundred twenty-nine".