1331141 has 8 divisors (see below), whose sum is σ = 1528320. Its totient is φ = 1135728.

The previous prime is 1331123. The next prime is 1331153. The reversal of 1331141 is 1411331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331141 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 (1331041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540 + ... + 3018.

It is an arithmetic number, because the mean of its divisors is an integer number (191040).

2^1331141 is an apocalyptic number.

It is an amenable number.

1331141 is a deficient number, since it is larger than the sum of its proper divisors (197179).

1331141 is an equidigital number, since it uses as much as digits as its factorization.

1331141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its digits is 36, while the sum is 14.

The square root of 1331141 is about 1153.7508396530. The cubic root of 1331141 is about 110.0038841604.

Adding to 1331141 its reverse (1411331), we get a palindrome (2742472).

The spelling of 1331141 in words is "one million, three hundred thirty-one thousand, one hundred forty-one".