1141571 has 2 divisors, whose sum is σ = 1141572. Its totient is φ = 1141570.

The previous prime is 1141541. The next prime is 1141573. The reversal of 1141571 is 1751411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1751411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141571 - 2⁶ = 1141507 is a prime.

Together with 1141573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1141573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570785 + 570786.

It is an arithmetic number, because the mean of its divisors is an integer number (570786).

2^1141571 is an apocalyptic number.

1141571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141571 is an equidigital number, since it uses as much as digits as its factorization.

1141571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140, while the sum is 20.

The square root of 1141571 is about 1068.4432600751. The cubic root of 1141571 is about 104.5123570775.

Adding to 1141571 its reverse (1751411), we get a palindrome (2892982).

It can be divided in two parts, 1141 and 571, that multiplied together give a triangular number (651511 = T₁₁₄₁).

The spelling of 1141571 in words is "one million, one hundred forty-one thousand, five hundred seventy-one".