129379583 has 2 divisors, whose sum is σ = 129379584. Its totient is φ = 129379582.

The previous prime is 129379573. The next prime is 129379603. The reversal of 129379583 is 385973921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129379583 - 2¹² = 129375487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129379573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64689791 + 64689792.

It is an arithmetic number, because the mean of its divisors is an integer number (64689792).

Almost surely, 2^129379583 is an apocalyptic number.

129379583 is a deficient number, since it is larger than the sum of its proper divisors (1).

129379583 is an equidigital number, since it uses as much as digits as its factorization.

129379583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 129379583 is about 11374.5146270072. The cubic root of 129379583 is about 505.7725430219.

The spelling of 129379583 in words is "one hundred twenty-nine million, three hundred seventy-nine thousand, five hundred eighty-three".