1144041121 has 4 divisors (see below), whose sum is σ = 1145196544. Its totient is φ = 1142885700.

The previous prime is 1144041083. The next prime is 1144041127. The reversal of 1144041121 is 1211404411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1144041121 - 2²¹ = 1141943969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144041127) 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, 576225 + ... + 578206.

It is an arithmetic number, because the mean of its divisors is an integer number (286299136).

Almost surely, 2^1144041121 is an apocalyptic number.

It is an amenable number.

1144041121 is a deficient number, since it is larger than the sum of its proper divisors (1155423).

1144041121 is an equidigital number, since it uses as much as digits as its factorization.

1144041121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155422.

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

The square root of 1144041121 is about 33823.6769290389. The cubic root of 1144041121 is about 1045.8768373742.

Adding to 1144041121 its reverse (1211404411), we get a palindrome (2355445532).

The spelling of 1144041121 in words is "one billion, one hundred forty-four million, forty-one thousand, one hundred twenty-one".