43101 has 6 divisors (see below), whose sum is σ = 62270. Its totient is φ = 28728.

The previous prime is 43093. The next prime is 43103. The reversal of 43101 is 10134.

43101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27225 + 15876 = 165^2 + 126^2 .

It is not a de Polignac number, because 43101 - 2³ = 43093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 4789 = 43101 / (4 + 3 + 1 + 0 + 1).

It is a Duffinian number.

It is a nialpdrome in base 9 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2386 + ... + 2403.

2⁴³¹⁰¹ is an apocalyptic number.

It is an amenable number.

43101 is a deficient number, since it is larger than the sum of its proper divisors (19169).

43101 is a wasteful number, since it uses less digits than its factorization.

43101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795 (or 4792 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 43101 is about 207.6078033216. The cubic root of 43101 is about 35.0613888616.

Adding to 43101 its reverse (10134), we get a palindrome (53235).

It can be divided in two parts, 43 and 101, that added together give a square (144 = 12²).

The spelling of 43101 in words is "forty-three thousand, one hundred one", and thus it is an iban number.