129448112601 has 8 divisors (see below), whose sum is σ = 172599505120. Its totient is φ = 86297730912.

The previous prime is 129448112543. The next prime is 129448112623. The reversal of 129448112601 is 106211844921.

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

It is not a de Polignac number, because 129448112601 - 2¹⁹ = 129447588313 is a prime.

It is a super-2 number, since 2×129448112601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129448112601.

It is not an unprimeable number, because it can be changed into a prime (129448111601) 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, 128070 + ... + 524688.

It is an arithmetic number, because the mean of its divisors is an integer number (21574938140).

Almost surely, 2^129448112601 is an apocalyptic number.

It is an amenable number.

129448112601 is a deficient number, since it is larger than the sum of its proper divisors (43151392519).

129448112601 is a wasteful number, since it uses less digits than its factorization.

129448112601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505415.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 129448112601 in words is "one hundred twenty-nine billion, four hundred forty-eight million, one hundred twelve thousand, six hundred one".