1141432571 has 8 divisors (see below), whose sum is σ = 1145769600. Its totient is φ = 1137104640.

The previous prime is 1141432561. The next prime is 1141432667. The reversal of 1141432571 is 1752341411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141432571 - 2¹⁰ = 1141431547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141432541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337931 + ... + 341291.

It is an arithmetic number, because the mean of its divisors is an integer number (143221200).

Almost surely, 2^1141432571 is an apocalyptic number.

1141432571 is a deficient number, since it is larger than the sum of its proper divisors (4337029).

1141432571 is an equidigital number, since it uses as much as digits as its factorization.

1141432571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549.

The product of its digits is 3360, while the sum is 29.

The square root of 1141432571 is about 33785.0939172884. The cubic root of 1141432571 is about 1045.0813245318.

Adding to 1141432571 its reverse (1752341411), we get a palindrome (2893773982).

The spelling of 1141432571 in words is "one billion, one hundred forty-one million, four hundred thirty-two thousand, five hundred seventy-one".