43344121 has 4 divisors (see below), whose sum is σ = 45228672. Its totient is φ = 41459572.

The previous prime is 43344113. The next prime is 43344127. The reversal of 43344121 is 12144334.

43344121 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12144334 = 2 ⋅6072167.

It is a cyclic number.

It is not a de Polignac number, because 43344121 - 2³ = 43344113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43344092 and 43344101.

It is not an unprimeable number, because it can be changed into a prime (43344127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942241 + ... + 942286.

It is an arithmetic number, because the mean of its divisors is an integer number (11307168).

Almost surely, 2^43344121 is an apocalyptic number.

It is an amenable number.

43344121 is a deficient number, since it is larger than the sum of its proper divisors (1884551).

43344121 is a wasteful number, since it uses less digits than its factorization.

43344121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884550.

The product of its digits is 1152, while the sum is 22.

The square root of 43344121 is about 6583.6252171581. The cubic root of 43344121 is about 351.2718921019.

Adding to 43344121 its reverse (12144334), we get a palindrome (55488455).

The spelling of 43344121 in words is "forty-three million, three hundred forty-four thousand, one hundred twenty-one".