128103698 has 12 divisors (see below), whose sum is σ = 200875038. Its totient is φ = 61266480.

The previous prime is 128103671. The next prime is 128103709. The reversal of 128103698 is 896301821.

It can be written as a sum of positive squares in only one way, i.e., 116359369 + 11744329 = 10787^2 + 3427^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 59483 + ... + 61598.

Almost surely, 2^128103698 is an apocalyptic number.

128103698 is a deficient number, since it is larger than the sum of its proper divisors (72771340).

128103698 is a wasteful number, since it uses less digits than its factorization.

128103698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121129 (or 121106 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 128103698 is about 11318.2904186100. The cubic root of 128103698 is about 504.1044783193.

The spelling of 128103698 in words is "one hundred twenty-eight million, one hundred three thousand, six hundred ninety-eight".