129550084 has 6 divisors (see below), whose sum is σ = 226712654. Its totient is φ = 64775040.

The previous prime is 129550067. The next prime is 129550103. The reversal of 129550084 is 480055921.

It can be written as a sum of positive squares in only one way, i.e., 121484484 + 8065600 = 11022^2 + 2840^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16193757 + ... + 16193764.

Almost surely, 2^129550084 is an apocalyptic number.

It is an amenable number.

129550084 is a deficient number, since it is larger than the sum of its proper divisors (97162570).

129550084 is a wasteful number, since it uses less digits than its factorization.

129550084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32387525 (or 32387523 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 129550084 is about 11382.0070286395. The cubic root of 129550084 is about 505.9946204910.

The spelling of 129550084 in words is "one hundred twenty-nine million, five hundred fifty thousand, eighty-four".