43125101 has 2 divisors, whose sum is σ = 43125102. Its totient is φ = 43125100.

The previous prime is 43125067. The next prime is 43125113. The reversal of 43125101 is 10152134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39702601 + 3422500 = 6301^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 43125101 - 2⁶ = 43125037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43125101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43125191) 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 as a sum of consecutive naturals, namely, 21562550 + 21562551.

It is an arithmetic number, because the mean of its divisors is an integer number (21562551).

Almost surely, 2^43125101 is an apocalyptic number.

It is an amenable number.

43125101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43125101 is an equidigital number, since it uses as much as digits as its factorization.

43125101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 43125101 is about 6566.9704582859. The cubic root of 43125101 is about 350.6792279415.

Adding to 43125101 its reverse (10152134), we get a palindrome (53277235).

The spelling of 43125101 in words is "forty-three million, one hundred twenty-five thousand, one hundred one".