1311162 has 8 divisors (see below), whose sum is σ = 2622336. Its totient is φ = 437052.

The previous prime is 1311143. The next prime is 1311173. The reversal of 1311162 is 2611131.

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

1311162 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109258 + ... + 109269.

It is an arithmetic number, because the mean of its divisors is an integer number (327792).

2^1311162 is an apocalyptic number.

1311162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311162 is a wasteful number, since it uses less digits than its factorization.

1311162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218532.

The product of its digits is 36, while the sum is 15.

The square root of 1311162 is about 1145.0598237647. The cubic root of 1311162 is about 109.4507607896.

Adding to 1311162 its reverse (2611131), we get a palindrome (3922293).

It can be divided in two parts, 13 and 11162, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 1311162 in words is "one million, three hundred eleven thousand, one hundred sixty-two".