44052121 has 4 divisors (see below), whose sum is σ = 44154292. Its totient is φ = 43949952.

The previous prime is 44052119. The next prime is 44052133. The reversal of 44052121 is 12125044.

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 5475600 + 38576521 = 2340^2 + 6211^2 .

It is a cyclic number.

It is not a de Polignac number, because 44052121 - 2¹ = 44052119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44052161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50436 + ... + 51301.

It is an arithmetic number, because the mean of its divisors is an integer number (11038573).

Almost surely, 2^44052121 is an apocalyptic number.

It is an amenable number.

44052121 is a deficient number, since it is larger than the sum of its proper divisors (102171).

44052121 is a wasteful number, since it uses less digits than its factorization.

44052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102170.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 44052121 is about 6637.1771861236. The cubic root of 44052121 is about 353.1741764703.

Adding to 44052121 its reverse (12125044), we get a palindrome (56177165).

The spelling of 44052121 in words is "forty-four million, fifty-two thousand, one hundred twenty-one".