128868148 has 6 divisors (see below), whose sum is σ = 225519266. Its totient is φ = 64434072.

The previous prime is 128868107. The next prime is 128868191. The reversal of 128868148 is 841868821.

It can be written as a sum of positive squares in only one way, i.e., 123165604 + 5702544 = 11098^2 + 2388^2 .

It is a junction number, because it is equal to n+sod(n) for n = 128868098 and 128868107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16108515 + ... + 16108522.

Almost surely, 2^128868148 is an apocalyptic number.

It is an amenable number.

128868148 is a deficient number, since it is larger than the sum of its proper divisors (96651118).

128868148 is a wasteful number, since it uses less digits than its factorization.

128868148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32217041 (or 32217039 counting only the distinct ones).

The product of its digits is 196608, while the sum is 46.

The square root of 128868148 is about 11352.0107469998. The cubic root of 128868148 is about 505.1052265775.

The spelling of 128868148 in words is "one hundred twenty-eight million, eight hundred sixty-eight thousand, one hundred forty-eight".