129084143 has 8 divisors (see below), whose sum is σ = 131422512. Its totient is φ = 126758016.

The previous prime is 129084121. The next prime is 129084169. The reversal of 129084143 is 341480921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129084143 - 2¹² = 129080047 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 (129084343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19721 + ... + 25437.

It is an arithmetic number, because the mean of its divisors is an integer number (16427814).

Almost surely, 2^129084143 is an apocalyptic number.

129084143 is a deficient number, since it is larger than the sum of its proper divisors (2338369).

129084143 is an equidigital number, since it uses as much as digits as its factorization.

129084143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 129084143 is about 11361.5202767939. The cubic root of 129084143 is about 505.3872701696.

The spelling of 129084143 in words is "one hundred twenty-nine million, eighty-four thousand, one hundred forty-three".