129061 has 2 divisors, whose sum is σ = 129062. Its totient is φ = 129060.

The previous prime is 129049. The next prime is 129083. The reversal of 129061 is 160921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 6561 = 350^2 + 81^2 .

It is a cyclic number.

It is not a de Polignac number, because 129061 - 2⁹ = 128549 is a prime.

129061 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64530 + 64531.

It is an arithmetic number, because the mean of its divisors is an integer number (64531).

2¹²⁹⁰⁶¹ is an apocalyptic number.

It is an amenable number.

129061 is a deficient number, since it is larger than the sum of its proper divisors (1).

129061 is an equidigital number, since it uses as much as digits as its factorization.

129061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 129061 is about 359.2506089069. The cubic root of 129061 is about 50.5357065384.

Adding to 129061 its reverse (160921), we get a palindrome (289982).

The spelling of 129061 in words is "one hundred twenty-nine thousand, sixty-one".