1311141 has 8 divisors (see below), whose sum is σ = 1882720. Its totient is φ = 806832.

The previous prime is 1311131. The next prime is 1311143. The reversal of 1311141 is 1411131.

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

It is not a de Polignac number, because 1311141 - 2⁵ = 1311109 is a prime.

It is a super-3 number, since 3×1311141³ = 6761910984533328663, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

1311141 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16771 + ... + 16848.

It is an arithmetic number, because the mean of its divisors is an integer number (235340).

2^1311141 is an apocalyptic number.

It is an amenable number.

1311141 is a deficient number, since it is larger than the sum of its proper divisors (571579).

1311141 is a wasteful number, since it uses less digits than its factorization.

1311141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33635.

The product of its digits is 12, while the sum is 12.

The square root of 1311141 is about 1145.0506539014. The cubic root of 1311141 is about 109.4501764534.

Adding to 1311141 its reverse (1411131), we get a palindrome (2722272).

The spelling of 1311141 in words is "one million, three hundred eleven thousand, one hundred forty-one".