128848161 has 8 divisors (see below), whose sum is σ = 185012800. Its totient is φ = 79291152.

The previous prime is 128848157. The next prime is 128848193. The reversal of 128848161 is 161848821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128848161 - 2² = 128848157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3303799 = 128848161 / (1 + 2 + 8 + 8 + 4 + 8 + 1 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128848961) 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, 1651861 + ... + 1651938.

It is an arithmetic number, because the mean of its divisors is an integer number (23126600).

Almost surely, 2^128848161 is an apocalyptic number.

It is an amenable number.

128848161 is a deficient number, since it is larger than the sum of its proper divisors (56164639).

128848161 is a wasteful number, since it uses less digits than its factorization.

128848161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303815.

The product of its digits is 24576, while the sum is 39.

The square root of 128848161 is about 11351.1303842393. The cubic root of 128848161 is about 505.0791118748.

The spelling of 128848161 in words is "one hundred twenty-eight million, eight hundred forty-eight thousand, one hundred sixty-one".