1141142441 has 4 divisors (see below), whose sum is σ = 1149853584. Its totient is φ = 1132431300.

The previous prime is 1141142437. The next prime is 1141142449. The reversal of 1141142441 is 1442411411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1442411411 = 7 ⋅206058773.

It is a cyclic number.

It is not a de Polignac number, because 1141142441 - 2² = 1141142437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141142449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4355375 + ... + 4355636.

It is an arithmetic number, because the mean of its divisors is an integer number (287463396).

Almost surely, 2^1141142441 is an apocalyptic number.

It is an amenable number.

1141142441 is a deficient number, since it is larger than the sum of its proper divisors (8711143).

1141142441 is an equidigital number, since it uses as much as digits as its factorization.

1141142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8711142.

The product of its digits is 512, while the sum is 23.

The square root of 1141142441 is about 33780.7998869180. The cubic root of 1141142441 is about 1044.9927705673.

Adding to 1141142441 its reverse (1442411411), we get a palindrome (2583553852).

The spelling of 1141142441 in words is "one billion, one hundred forty-one million, one hundred forty-two thousand, four hundred forty-one".