129248677105 has 24 divisors (see below), whose sum is σ = 158647419000. Its totient is φ = 101083906560.

The previous prime is 129248677073. The next prime is 129248677189. The reversal of 129248677105 is 501776842921.

It can be written as a sum of positive squares in 12 ways, for example, as 9385928161 + 119862748944 = 96881^2 + 346212^2 .

It is not a de Polignac number, because 129248677105 - 2⁵ = 129248677073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3930271 + ... + 3963019.

It is an arithmetic number, because the mean of its divisors is an integer number (6610309125).

Almost surely, 2^129248677105 is an apocalyptic number.

It is an amenable number.

129248677105 is a deficient number, since it is larger than the sum of its proper divisors (29398741895).

129248677105 is an equidigital number, since it uses as much as digits as its factorization.

129248677105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33141 (or 33088 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 129248677105 in words is "one hundred twenty-nine billion, two hundred forty-eight million, six hundred seventy-seven thousand, one hundred five".