129416117 has 4 divisors (see below), whose sum is σ = 129439680. Its totient is φ = 129392556.

The previous prime is 129416113. The next prime is 129416123. The reversal of 129416117 is 711614921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711614921 = 47 ⋅15140743.

It is a cyclic number.

It is not a de Polignac number, because 129416117 - 2² = 129416113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129416113) 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 in 3 ways as a sum of consecutive naturals, for example, 1298 + ... + 16140.

It is an arithmetic number, because the mean of its divisors is an integer number (32359920).

Almost surely, 2^129416117 is an apocalyptic number.

It is an amenable number.

129416117 is a deficient number, since it is larger than the sum of its proper divisors (23563).

129416117 is an equidigital number, since it uses as much as digits as its factorization.

129416117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23562.

The product of its digits is 3024, while the sum is 32.

The square root of 129416117 is about 11376.1204722876. The cubic root of 129416117 is about 505.8201449559.

The spelling of 129416117 in words is "one hundred twenty-nine million, four hundred sixteen thousand, one hundred seventeen".