43341121 has 4 divisors (see below), whose sum is σ = 44158932. Its totient is φ = 42523312.

The previous prime is 43341113. The next prime is 43341139. The reversal of 43341121 is 12114334.

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 34105600 + 9235521 = 5840^2 + 3039^2 .

It is a cyclic number.

It is not a de Polignac number, because 43341121 - 2³ = 43341113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43341101) 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, 408826 + ... + 408931.

It is an arithmetic number, because the mean of its divisors is an integer number (11039733).

Almost surely, 2^43341121 is an apocalyptic number.

It is an amenable number.

43341121 is a deficient number, since it is larger than the sum of its proper divisors (817811).

43341121 is an equidigital number, since it uses as much as digits as its factorization.

43341121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817810.

The product of its digits is 288, while the sum is 19.

The square root of 43341121 is about 6583.3973752159. The cubic root of 43341121 is about 351.2637876580.

Adding to 43341121 its reverse (12114334), we get a palindrome (55455455).

The spelling of 43341121 in words is "forty-three million, three hundred forty-one thousand, one hundred twenty-one".