43234121 has 8 divisors (see below), whose sum is σ = 50419200. Its totient is φ = 37057524.

The previous prime is 43234091. The next prime is 43234133. The reversal of 43234121 is 12143234.

43234121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43234121 - 2¹⁰ = 43233097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43234093 and 43234102.

It is not an unprimeable number, because it can be changed into a prime (43234151) 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 7 ways as a sum of consecutive naturals, for example, 62681 + ... + 63366.

It is an arithmetic number, because the mean of its divisors is an integer number (6302400).

Almost surely, 2^43234121 is an apocalyptic number.

It is an amenable number.

43234121 is a deficient number, since it is larger than the sum of its proper divisors (7185079).

43234121 is an equidigital number, since it uses as much as digits as its factorization.

43234121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126068 (or 126054 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 43234121 is about 6575.2658501387. The cubic root of 43234121 is about 350.9744842830.

Adding to 43234121 its reverse (12143234), we get a palindrome (55377355).

The spelling of 43234121 in words is "forty-three million, two hundred thirty-four thousand, one hundred twenty-one".