129379 has 2 divisors, whose sum is σ = 129380. Its totient is φ = 129378.

The previous prime is 129361. The next prime is 129401. The reversal of 129379 is 973921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129379 - 2⁵ = 129347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129379.

It is not a weakly prime, because it can be changed into another prime (121379) 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, 64689 + 64690.

It is an arithmetic number, because the mean of its divisors is an integer number (64690).

2¹²⁹³⁷⁹ is an apocalyptic number.

129379 is a deficient number, since it is larger than the sum of its proper divisors (1).

129379 is an equidigital number, since it uses as much as digits as its factorization.

129379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 31.

The square root of 129379 is about 359.6929245899. The cubic root of 129379 is about 50.5771783330.

The spelling of 129379 in words is "one hundred twenty-nine thousand, three hundred seventy-nine".