544121 has 4 divisors (see below), whose sum is σ = 545700. Its totient is φ = 542544.

The previous prime is 544109. The next prime is 544123. The reversal of 544121 is 121445.

544121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 354025 + 190096 = 595^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 544121 - 2¹⁰ = 543097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544121.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 544121.

It is not an unprimeable number, because it can be changed into a prime (544123) 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, 26 + ... + 1043.

It is an arithmetic number, because the mean of its divisors is an integer number (136425).

2⁵⁴⁴¹²¹ is an apocalyptic number.

It is an amenable number.

544121 is a deficient number, since it is larger than the sum of its proper divisors (1579).

544121 is a wasteful number, since it uses less digits than its factorization.

544121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its digits is 160, while the sum is 17.

The square root of 544121 is about 737.6455788521. The cubic root of 544121 is about 81.6391540439.

Adding to 544121 its reverse (121445), we get a palindrome (665566).

The spelling of 544121 in words is "five hundred forty-four thousand, one hundred twenty-one".