1311179 has 4 divisors (see below), whose sum is σ = 1321320. Its totient is φ = 1301040.

The previous prime is 1311173. The next prime is 1311181. The reversal of 1311179 is 9711131.

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 1311179 - 2⁸ = 1310923 is a prime.

It is a Duffinian number.

1311179 is a modest number, since divided by 1179 gives 131 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1311173) 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, 4874 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (330330).

2^1311179 is an apocalyptic number.

1311179 is a deficient number, since it is larger than the sum of its proper divisors (10141).

1311179 is a wasteful number, since it uses less digits than its factorization.

1311179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140.

The product of its digits is 189, while the sum is 23.

The square root of 1311179 is about 1145.0672469336. The cubic root of 1311179 is about 109.4512338191.

It can be divided in two parts, 131 and 1179, that multiplied together give a square (154449 = 393²).

The spelling of 1311179 in words is "one million, three hundred eleven thousand, one hundred seventy-nine".