144012121 has 8 divisors (see below), whose sum is σ = 157896000. Its totient is φ = 130260240.

The previous prime is 144012101. The next prime is 144012133. The reversal of 144012121 is 121210441.

It is a happy number.

144012121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 144012121 - 2¹¹ = 144010073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144012095 and 144012104.

It is not an unprimeable number, because it can be changed into a prime (144012101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30706 + ... + 35083.

It is an arithmetic number, because the mean of its divisors is an integer number (19737000).

Almost surely, 2^144012121 is an apocalyptic number.

144012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144012121 is a deficient number, since it is larger than the sum of its proper divisors (13883879).

144012121 is a wasteful number, since it uses less digits than its factorization.

144012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65999.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 144012121 is about 12000.5050310393. The cubic root of 144012121 is about 524.1629849136.

Adding to 144012121 its reverse (121210441), we get a palindrome (265222562).

The spelling of 144012121 in words is "one hundred forty-four million, twelve thousand, one hundred twenty-one".