4148129 has 2 divisors, whose sum is σ = 4148130. Its totient is φ = 4148128.

The previous prime is 4148101. The next prime is 4148143. The reversal of 4148129 is 9218414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3508129 + 640000 = 1873^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4148129 - 2⁸ = 4147873 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4148159) 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 as a sum of consecutive naturals, namely, 2074064 + 2074065.

It is an arithmetic number, because the mean of its divisors is an integer number (2074065).

Almost surely, 2^4148129 is an apocalyptic number.

It is an amenable number.

4148129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4148129 is an equidigital number, since it uses as much as digits as its factorization.

4148129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 29.

The square root of 4148129 is about 2036.6956080868. The cubic root of 4148129 is about 160.6759037138.

The spelling of 4148129 in words is "four million, one hundred forty-eight thousand, one hundred twenty-nine".