1141140241 has 4 divisors (see below), whose sum is σ = 1141686000. Its totient is φ = 1140594484.

The previous prime is 1141140197. The next prime is 1141140251. The reversal of 1141140241 is 1420411411.

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: 1420411411 = 107 ⋅13274873.

It is a cyclic number.

It is not a de Polignac number, because 1141140241 - 2¹⁷ = 1141009169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141140251) 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, 269731 + ... + 273928.

It is an arithmetic number, because the mean of its divisors is an integer number (285421500).

Almost surely, 2^1141140241 is an apocalyptic number.

It is an amenable number.

1141140241 is a deficient number, since it is larger than the sum of its proper divisors (545759).

1141140241 is an equidigital number, since it uses as much as digits as its factorization.

1141140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545758.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1141140241 is about 33780.7673240263. The cubic root of 1141140241 is about 1044.9920990222.

Adding to 1141140241 its reverse (1420411411), we get a palindrome (2561551652).

The spelling of 1141140241 in words is "one billion, one hundred forty-one million, one hundred forty thousand, two hundred forty-one".