128042248 has 8 divisors (see below), whose sum is σ = 240079230. Its totient is φ = 64021120.

The previous prime is 128042227. The next prime is 128042267. The reversal of 128042248 is 842240821.

It can be written as a sum of positive squares in only one way, i.e., 120956004 + 7086244 = 10998^2 + 2662^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8002633 + ... + 8002648.

Almost surely, 2^128042248 is an apocalyptic number.

It is an amenable number.

128042248 is a deficient number, since it is larger than the sum of its proper divisors (112036982).

128042248 is a wasteful number, since it uses less digits than its factorization.

128042248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16005287 (or 16005283 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 128042248 is about 11315.5754603997. The cubic root of 128042248 is about 504.0238608843.

The spelling of 128042248 in words is "one hundred twenty-eight million, forty-two thousand, two hundred forty-eight".