128550104 has 8 divisors (see below), whose sum is σ = 241031460. Its totient is φ = 64275048.

The previous prime is 128550089. The next prime is 128550133. The reversal of 128550104 is 401055821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 8034374 + ... + 8034389.

Almost surely, 2^128550104 is an apocalyptic number.

It is an amenable number.

128550104 is a deficient number, since it is larger than the sum of its proper divisors (112481356).

128550104 is a wasteful number, since it uses less digits than its factorization.

128550104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16068769 (or 16068765 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 128550104 is about 11337.9938260699. The cubic root of 128550104 is about 504.6893544181.

The spelling of 128550104 in words is "one hundred twenty-eight million, five hundred fifty thousand, one hundred four".