128161248 has 48 divisors (see below), whose sum is σ = 341179776. Its totient is φ = 42116480.

The previous prime is 128161247. The next prime is 128161259. The reversal of 128161248 is 842161821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128161247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586 + ... + 16217.

It is an arithmetic number, because the mean of its divisors is an integer number (7107912).

Almost surely, 2^128161248 is an apocalyptic number.

It is an amenable number.

128161248 is an abundant number, since it is smaller than the sum of its proper divisors (213018528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128161248 is a wasteful number, since it uses less digits than its factorization.

128161248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18887 (or 18879 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 128161248 is about 11320.8324782235. The cubic root of 128161248 is about 504.1799558943.

The spelling of 128161248 in words is "one hundred twenty-eight million, one hundred sixty-one thousand, two hundred forty-eight".