1141042541 has 4 divisors (see below), whose sum is σ = 1141228284. Its totient is φ = 1140856800.

The previous prime is 1141042531. The next prime is 1141042579. The reversal of 1141042541 is 1452401411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 567440041 + 573602500 = 23821^2 + 23950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1141042541 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 (1141042531) 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, 83330 + ... + 96051.

It is an arithmetic number, because the mean of its divisors is an integer number (285307071).

Almost surely, 2^1141042541 is an apocalyptic number.

It is an amenable number.

1141042541 is a deficient number, since it is larger than the sum of its proper divisors (185743).

1141042541 is an equidigital number, since it uses as much as digits as its factorization.

1141042541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185742.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1141042541 is about 33779.3212039555. The cubic root of 1141042541 is about 1044.9622754481.

Adding to 1141042541 its reverse (1452401411), we get a palindrome (2593443952).

The spelling of 1141042541 in words is "one billion, one hundred forty-one million, forty-two thousand, five hundred forty-one".