2069129 has 2 divisors, whose sum is σ = 2069130. Its totient is φ = 2069128.

The previous prime is 2069113. The next prime is 2069141. The reversal of 2069129 is 9219602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 273529 = 1340^2 + 523^2 .

It is a cyclic number.

It is not a de Polignac number, because 2069129 - 2⁴ = 2069113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2069029) 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, 1034564 + 1034565.

It is an arithmetic number, because the mean of its divisors is an integer number (1034565).

2^2069129 is an apocalyptic number.

It is an amenable number.

2069129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2069129 is an equidigital number, since it uses as much as digits as its factorization.

2069129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2069129 is about 1438.4467317214. The cubic root of 2069129 is about 127.4273121504.

The spelling of 2069129 in words is "two million, sixty-nine thousand, one hundred twenty-nine".