128500102 has 16 divisors (see below), whose sum is σ = 201806640. Its totient is φ = 61284832.

The previous prime is 128500081. The next prime is 128500139. The reversal of 128500102 is 201005821.

It is a self number, because there is not a number n which added to its sum of digits gives 128500102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8533 + ... + 18160.

It is an arithmetic number, because the mean of its divisors is an integer number (12612915).

Almost surely, 2^128500102 is an apocalyptic number.

128500102 is a deficient number, since it is larger than the sum of its proper divisors (73306538).

128500102 is a wasteful number, since it uses less digits than its factorization.

128500102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26807.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 128500102 is about 11335.7885477809. The cubic root of 128500102 is about 504.6239097680.

Adding to 128500102 its reverse (201005821), we get a palindrome (329505923).

The spelling of 128500102 in words is "one hundred twenty-eight million, five hundred thousand, one hundred two".