1143371 has 2 divisors, whose sum is σ = 1143372. Its totient is φ = 1143370.

The previous prime is 1143347. The next prime is 1143391. The reversal of 1143371 is 1733411.

It is a happy number.

It is an a-pointer prime, because the next prime (1143391) can be obtained adding 1143371 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143371 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1143341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571685 + 571686.

It is an arithmetic number, because the mean of its divisors is an integer number (571686).

2^1143371 is an apocalyptic number.

1143371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143371 is an equidigital number, since it uses as much as digits as its factorization.

1143371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252, while the sum is 20.

The square root of 1143371 is about 1069.2852753124. The cubic root of 1143371 is about 104.5672590368.

Adding to 1143371 its reverse (1733411), we get a palindrome (2876782).

The spelling of 1143371 in words is "one million, one hundred forty-three thousand, three hundred seventy-one".