129119 has 2 divisors, whose sum is σ = 129120. Its totient is φ = 129118.

The previous prime is 129113. The next prime is 129121. The reversal of 129119 is 911921.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129119 is a prime.

It is a super-2 number, since 2×129119² = 33343432322, which contains 22 as substring.

Together with 129121, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 129094 and 129103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64559 + 64560.

It is an arithmetic number, because the mean of its divisors is an integer number (64560).

2¹²⁹¹¹⁹ is an apocalyptic number.

129119 is a deficient number, since it is larger than the sum of its proper divisors (1).

129119 is an equidigital number, since it uses as much as digits as its factorization.

129119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162, while the sum is 23.

The square root of 129119 is about 359.3313234328. The cubic root of 129119 is about 50.5432756517.

It can be divided in two parts, 129 and 119, that multiplied together give a palindrome (15351).

The spelling of 129119 in words is "one hundred twenty-nine thousand, one hundred nineteen".