129106011 has 8 divisors (see below), whose sum is σ = 172196944. Its totient is φ = 86042880.

The previous prime is 129106001. The next prime is 129106013. The reversal of 129106011 is 110601921.

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

It is not a de Polignac number, because 129106011 - 2⁶ = 129105947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129106013) 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, 9351 + ... + 18591.

It is an arithmetic number, because the mean of its divisors is an integer number (21524618).

Almost surely, 2^129106011 is an apocalyptic number.

129106011 is a deficient number, since it is larger than the sum of its proper divisors (43090933).

129106011 is an equidigital number, since it uses as much as digits as its factorization.

129106011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 129106011 is about 11362.4826072474. The cubic root of 129106011 is about 505.4158075885.

Adding to 129106011 its reverse (110601921), we get a palindrome (239707932).

The spelling of 129106011 in words is "one hundred twenty-nine million, one hundred six thousand, eleven".