129084961575 has 12 divisors (see below), whose sum is σ = 213420469928. Its totient is φ = 68845312800.

The previous prime is 129084961549. The next prime is 129084961597. The reversal of 129084961575 is 575169480921.

It is a happy number.

It is not a de Polignac number, because 129084961575 - 2⁵ = 129084961543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 860566336 + ... + 860566485.

Almost surely, 2^129084961575 is an apocalyptic number.

129084961575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129084961575 is a deficient number, since it is larger than the sum of its proper divisors (84335508353).

129084961575 is a wasteful number, since it uses less digits than its factorization.

129084961575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721132834 (or 1721132829 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 129084961575 in words is "one hundred twenty-nine billion, eighty-four million, nine hundred sixty-one thousand, five hundred seventy-five".