4044121 has 3 divisors (see below), whose sum is σ = 4046133. Its totient is φ = 4042110.

The previous prime is 4044077. The next prime is 4044179. The reversal of 4044121 is 1214404.

The square root of 4044121 is 2011.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4044121 - 2¹³ = 4035929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4044095 and 4044104.

It is not an unprimeable number, because it can be changed into a prime (4044421) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1006 + ... + 3016.

It is an arithmetic number, because the mean of its divisors is an integer number (1348711).

Almost surely, 2^4044121 is an apocalyptic number.

4044121 is the 2011-st square number.

4044121 is the 1006-th centered octagonal number.

It is an amenable number.

4044121 is a deficient number, since it is larger than the sum of its proper divisors (2012).

4044121 is an frugal number, since it uses more digits than its factorization.

4044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The cubic root of 4044121 is about 159.3216200061.

Multiplying 4044121 by its sum of digits (16), we get a square (64705936 = 8044²).

Adding to 4044121 its reverse (1214404), we get a palindrome (5258525).

Multiplying 4044121 by its reverse (1214404), we get a square (4911196718884 = 2216122²).

The spelling of 4044121 in words is "four million, forty-four thousand, one hundred twenty-one".