129462299105 has 8 divisors (see below), whose sum is σ = 156021518952. Its totient is φ = 103125332608.

The previous prime is 129462299089. The next prime is 129462299111. The reversal of 129462299105 is 501992264921.

It can be written as a sum of positive squares in 4 ways, for example, as 6028124881 + 123434174224 = 77641^2 + 351332^2 .

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 129462299105 - 2⁴ = 129462299089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55562054 + ... + 55564383.

It is an arithmetic number, because the mean of its divisors is an integer number (19502689869).

Almost surely, 2^129462299105 is an apocalyptic number.

It is an amenable number.

129462299105 is a deficient number, since it is larger than the sum of its proper divisors (26559219847).

129462299105 is a wasteful number, since it uses less digits than its factorization.

129462299105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111126675.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 129462299105 in words is "one hundred twenty-nine billion, four hundred sixty-two million, two hundred ninety-nine thousand, one hundred five".