129389119 has 2 divisors, whose sum is σ = 129389120. Its totient is φ = 129389118.

The previous prime is 129389089. The next prime is 129389129. The reversal of 129389119 is 911983921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129389119 - 2⁹ = 129388607 is a prime.

It is a super-2 number, since 2×129389119² = 33483088231192322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129389129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64694559 + 64694560.

It is an arithmetic number, because the mean of its divisors is an integer number (64694560).

Almost surely, 2^129389119 is an apocalyptic number.

129389119 is a deficient number, since it is larger than the sum of its proper divisors (1).

129389119 is an equidigital number, since it uses as much as digits as its factorization.

129389119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 43.

The square root of 129389119 is about 11374.9338020052. The cubic root of 129389119 is about 505.7849688065.

The spelling of 129389119 in words is "one hundred twenty-nine million, three hundred eighty-nine thousand, one hundred nineteen".