1311459 has 4 divisors (see below), whose sum is σ = 1748616. Its totient is φ = 874304.

The previous prime is 1311449. The next prime is 1311473. The reversal of 1311459 is 9541131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311459 - 2¹¹ = 1309411 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1311419) 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, 218574 + ... + 218579.

It is an arithmetic number, because the mean of its divisors is an integer number (437154).

2^1311459 is an apocalyptic number.

1311459 is a deficient number, since it is larger than the sum of its proper divisors (437157).

1311459 is an equidigital number, since it uses as much as digits as its factorization.

1311459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437156.

The product of its digits is 540, while the sum is 24.

The square root of 1311459 is about 1145.1895039687. The cubic root of 1311459 is about 109.4590243049.

It can be divided in two parts, 1311 and 459, that added together give a triangular number (1770 = T₅₉).

The spelling of 1311459 in words is "one million, three hundred eleven thousand, four hundred fifty-nine".