129027086 has 8 divisors (see below), whose sum is σ = 193589784. Its totient is φ = 64497160.

The previous prime is 129027083. The next prime is 129027089. The reversal of 129027086 is 680720921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (129027083) and next prime (129027089).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129027083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8261 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (24198723).

Almost surely, 2^129027086 is an apocalyptic number.

129027086 is a deficient number, since it is larger than the sum of its proper divisors (64562698).

129027086 is an equidigital number, since it uses as much as digits as its factorization.

129027086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16386.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 129027086 is about 11359.0090236781. The cubic root of 129027086 is about 505.3127964439.

The spelling of 129027086 in words is "one hundred twenty-nine million, twenty-seven thousand, eighty-six".