129541247060 has 12 divisors (see below), whose sum is σ = 272036618868. Its totient is φ = 51816498816.

The previous prime is 129541247053. The next prime is 129541247177. The reversal of 129541247060 is 60742145921.

It can be written as a sum of positive squares in 2 ways, for example, as 67059245764 + 62482001296 = 258958^2 + 249964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 129541246999 and 129541247017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3238531157 + ... + 3238531196.

It is an arithmetic number, because the mean of its divisors is an integer number (22669718239).

Almost surely, 2^129541247060 is an apocalyptic number.

129541247060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129541247060 is an abundant number, since it is smaller than the sum of its proper divisors (142495371808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129541247060 is a wasteful number, since it uses less digits than its factorization.

129541247060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477062362 (or 6477062360 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 129541247060 in words is "one hundred twenty-nine billion, five hundred forty-one million, two hundred forty-seven thousand, sixty".