129853 has 2 divisors, whose sum is σ = 129854. Its totient is φ = 129852.

The previous prime is 129841. The next prime is 129887. The reversal of 129853 is 358921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71289 + 58564 = 267^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 129853 - 2⁹ = 129341 is a prime.

129853 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129803) 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, 64926 + 64927.

It is an arithmetic number, because the mean of its divisors is an integer number (64927).

2¹²⁹⁸⁵³ is an apocalyptic number.

It is an amenable number.

129853 is a deficient number, since it is larger than the sum of its proper divisors (1).

129853 is an equidigital number, since it uses as much as digits as its factorization.

129853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 129853 is about 360.3512175642. The cubic root of 129853 is about 50.6388688315.

The spelling of 129853 in words is "one hundred twenty-nine thousand, eight hundred fifty-three".