1141311 has 8 divisors (see below), whose sum is σ = 1601920. Its totient is φ = 720792.

The previous prime is 1141303. The next prime is 1141319. The reversal of 1141311 is 1131411.

It is an interprime number because it is at equal distance from previous prime (1141303) and next prime (1141319).

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

It is not a de Polignac number, because 1141311 - 2³ = 1141303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9955 + ... + 10068.

It is an arithmetic number, because the mean of its divisors is an integer number (200240).

2^1141311 is an apocalyptic number.

1141311 is a deficient number, since it is larger than the sum of its proper divisors (460609).

1141311 is a wasteful number, since it uses less digits than its factorization.

1141311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20045.

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

The square root of 1141311 is about 1068.3215807986. The cubic root of 1141311 is about 104.5044220254.

Adding to 1141311 its reverse (1131411), we get a palindrome (2272722).

The spelling of 1141311 in words is "one million, one hundred forty-one thousand, three hundred eleven".