1144541121 has 8 divisors (see below), whose sum is σ = 1541787744. Its totient is φ = 755160960.

The previous prime is 1144541119. The next prime is 1144541141. The reversal of 1144541121 is 1211454411.

It is a happy number.

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

It is not a de Polignac number, because 1144541121 - 2¹ = 1144541119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144541091 and 1144541100.

It is not an unprimeable number, because it can be changed into a prime (1144541141) 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, 1966275 + ... + 1966856.

It is an arithmetic number, because the mean of its divisors is an integer number (192723468).

Almost surely, 2^1144541121 is an apocalyptic number.

It is an amenable number.

1144541121 is a deficient number, since it is larger than the sum of its proper divisors (397246623).

1144541121 is an equidigital number, since it uses as much as digits as its factorization.

1144541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3933231.

The product of its digits is 640, while the sum is 24.

The square root of 1144541121 is about 33831.0673937433. The cubic root of 1144541121 is about 1046.0291810399.

Adding to 1144541121 its reverse (1211454411), we get a palindrome (2355995532).

The spelling of 1144541121 in words is "one billion, one hundred forty-four million, five hundred forty-one thousand, one hundred twenty-one".