129127106 has 8 divisors (see below), whose sum is σ = 202112064. Its totient is φ = 61756420.

The previous prime is 129127091. The next prime is 129127109. The reversal of 129127106 is 601721921.

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

It is not an unprimeable number, because it can be changed into a prime (129127109) 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, 1403510 + ... + 1403601.

It is an arithmetic number, because the mean of its divisors is an integer number (25264008).

Almost surely, 2^129127106 is an apocalyptic number.

129127106 is a deficient number, since it is larger than the sum of its proper divisors (72984958).

129127106 is a wasteful number, since it uses less digits than its factorization.

129127106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807136.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 129127106 is about 11363.4108435804. The cubic root of 129127106 is about 505.4433332003.

The spelling of 129127106 in words is "one hundred twenty-nine million, one hundred twenty-seven thousand, one hundred six".