129860884505104 has 15 divisors (see below), whose sum is σ = 251605552044973. Its totient is φ = 64930419461248.

The previous prime is 129860884505047. The next prime is 129860884505137. The reversal of 129860884505104 is 401505488068921.

It is a happy number.

The square root of 129860884505104 is 11395652.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34158647811600 + 95702236693504 = 5844540^2 + 9782752^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44158152 + ... + 47007064.

Almost surely, 2^{129860884505104} is an apocalyptic number.

129860884505104 is the 11395652-nd square number.

It is an amenable number.

129860884505104 is a deficient number, since it is larger than the sum of its proper divisors (121744667539869).

129860884505104 is an frugal number, since it uses more digits than its factorization.

129860884505104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697834 (or 2848915 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 61.

The spelling of 129860884505104 in words is "one hundred twenty-nine trillion, eight hundred sixty billion, eight hundred eighty-four million, five hundred five thousand, one hundred four".