2044121 has 4 divisors (see below), whose sum is σ = 2048052. Its totient is φ = 2040192.

The previous prime is 2044111. The next prime is 2044127. The reversal of 2044121 is 1214402.

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 912025 + 1132096 = 955^2 + 1064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2044096 and 2044105.

It is not an unprimeable number, because it can be changed into a prime (2044127) 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, 1040 + ... + 2273.

It is an arithmetic number, because the mean of its divisors is an integer number (512013).

2^2044121 is an apocalyptic number.

It is an amenable number.

2044121 is a deficient number, since it is larger than the sum of its proper divisors (3931).

2044121 is an equidigital number, since it uses as much as digits as its factorization.

2044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2044121 is about 1429.7275964323. The cubic root of 2044121 is about 126.9118573304.

Adding to 2044121 its reverse (1214402), we get a palindrome (3258523).

The spelling of 2044121 in words is "two million, forty-four thousand, one hundred twenty-one".