129081512803 has 8 divisors (see below), whose sum is σ = 130288616640. Its totient is φ = 127878387240.

The previous prime is 129081512783. The next prime is 129081512887. The reversal of 129081512803 is 308215180921.

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 129081512803 - 2¹⁷ = 129081381731 is a prime.

It is a super-2 number, since 2×129081512803² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129081512303) 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, 929353 + ... + 1059178.

It is an arithmetic number, because the mean of its divisors is an integer number (16286077080).

Almost surely, 2^129081512803 is an apocalyptic number.

129081512803 is a deficient number, since it is larger than the sum of its proper divisors (1207103837).

129081512803 is a wasteful number, since it uses less digits than its factorization.

129081512803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989137.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 129081512803 in words is "one hundred twenty-nine billion, eighty-one million, five hundred twelve thousand, eight hundred three".