9128161 has 12 divisors (see below), whose sum is σ = 10670400. Its totient is φ = 7785960.

The previous prime is 9128153. The next prime is 9128177. The reversal of 9128161 is 1618219.

It is a happy number.

It is not a de Polignac number, because 9128161 - 2³ = 9128153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9128131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14940 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^9128161 is an apocalyptic number.

It is an amenable number.

9128161 is a deficient number, since it is larger than the sum of its proper divisors (1542239).

9128161 is a wasteful number, since it uses less digits than its factorization.

9128161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 917 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 9128161 is about 3021.2846605376. The cubic root of 9128161 is about 208.9910865150.

The spelling of 9128161 in words is "nine million, one hundred twenty-eight thousand, one hundred sixty-one".