128322248 has 8 divisors (see below), whose sum is σ = 240604230. Its totient is φ = 64161120.

The previous prime is 128322209. The next prime is 128322263. The reversal of 128322248 is 842223821.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 63648484 = 8042^2 + 7978^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8020133 + ... + 8020148.

Almost surely, 2^128322248 is an apocalyptic number.

It is an amenable number.

128322248 is a deficient number, since it is larger than the sum of its proper divisors (112281982).

128322248 is a wasteful number, since it uses less digits than its factorization.

128322248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040287 (or 16040283 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 128322248 is about 11327.9410309200. The cubic root of 128322248 is about 504.3909895394.

The spelling of 128322248 in words is "one hundred twenty-eight million, three hundred twenty-two thousand, two hundred forty-eight".