144111121 has 24 divisors (see below), whose sum is σ = 187306560. Its totient is φ = 108403680.

The previous prime is 144111119. The next prime is 144111133. The reversal of 144111121 is 121111441.

It is not a de Polignac number, because 144111121 - 2¹ = 144111119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144111095 and 144111104.

It is not an unprimeable number, because it can be changed into a prime (144111151) 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 23 ways as a sum of consecutive naturals, for example, 21630 + ... + 27496.

It is an arithmetic number, because the mean of its divisors is an integer number (7804440).

Almost surely, 2^144111121 is an apocalyptic number.

144111121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144111121 is a deficient number, since it is larger than the sum of its proper divisors (43195439).

144111121 is a wasteful number, since it uses less digits than its factorization.

144111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5925 (or 5914 counting only the distinct ones).

The product of its digits is 32, while the sum is 16.

The square root of 144111121 is about 12004.6291487909. The cubic root of 144111121 is about 524.2830679750.

Adding to 144111121 its reverse (121111441), we get a palindrome (265222562).

The spelling of 144111121 in words is "one hundred forty-four million, one hundred eleven thousand, one hundred twenty-one".