43541121 has 8 divisors (see below), whose sum is σ = 62520640. Its totient is φ = 26794512.

The previous prime is 43541111. The next prime is 43541153. The reversal of 43541121 is 12114534.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43541121 - 2¹¹ = 43539073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43541101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558181 + ... + 558258.

It is an arithmetic number, because the mean of its divisors is an integer number (7815080).

Almost surely, 2^43541121 is an apocalyptic number.

It is an amenable number.

43541121 is a deficient number, since it is larger than the sum of its proper divisors (18979519).

43541121 is a wasteful number, since it uses less digits than its factorization.

43541121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116455.

The product of its digits is 480, while the sum is 21.

The square root of 43541121 is about 6598.5696177278. The cubic root of 43541121 is about 351.8032674127.

Adding to 43541121 its reverse (12114534), we get a palindrome (55655655).

The spelling of 43541121 in words is "forty-three million, five hundred forty-one thousand, one hundred twenty-one".