4142129 has 2 divisors, whose sum is σ = 4142130. Its totient is φ = 4142128.

The previous prime is 4142119. The next prime is 4142161. The reversal of 4142129 is 9212414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 142129 = 2000^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142129 - 2¹² = 4138033 is a prime.

It is not a weakly prime, because it can be changed into another prime (4142119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071064 + 2071065.

It is an arithmetic number, because the mean of its divisors is an integer number (2071065).

Almost surely, 2^4142129 is an apocalyptic number.

It is an amenable number.

4142129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142129 is an equidigital number, since it uses as much as digits as its factorization.

4142129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 4142129 is about 2035.2221009020. Note that the first 3 decimals coincide. The cubic root of 4142129 is about 160.5983972355.

It can be divided in two parts, 4 and 142129, that multiplied together give a square (568516 = 754²).

The spelling of 4142129 in words is "four million, one hundred forty-two thousand, one hundred twenty-nine".