44143121 has 8 divisors (see below), whose sum is σ = 48204288. Its totient is φ = 40090000.

The previous prime is 44143103. The next prime is 44143129. The reversal of 44143121 is 12134144.

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

It is a cyclic number.

It is not a de Polignac number, because 44143121 - 2¹⁰ = 44142097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44143093 and 44143102.

It is not an unprimeable number, because it can be changed into a prime (44143129) 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, 19856 + ... + 21966.

It is an arithmetic number, because the mean of its divisors is an integer number (6025536).

Almost surely, 2^44143121 is an apocalyptic number.

It is an amenable number.

44143121 is a deficient number, since it is larger than the sum of its proper divisors (4061167).

44143121 is a wasteful number, since it uses less digits than its factorization.

44143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4023.

The product of its digits is 384, while the sum is 20.

The square root of 44143121 is about 6644.0289734468. The cubic root of 44143121 is about 353.4171972722.

Adding to 44143121 its reverse (12134144), we get a palindrome (56277265).

The spelling of 44143121 in words is "forty-four million, one hundred forty-three thousand, one hundred twenty-one".