3158128 has 10 divisors (see below), whose sum is σ = 6118904. Its totient is φ = 1579056.

The previous prime is 3158119. The next prime is 3158131. The reversal of 3158128 is 8218513.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 3158096 and 3158105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98676 + ... + 98707.

Almost surely, 2^3158128 is an apocalyptic number.

It is an amenable number.

3158128 is a deficient number, since it is larger than the sum of its proper divisors (2960776).

3158128 is a wasteful number, since it uses less digits than its factorization.

3158128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197391 (or 197385 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 3158128 is about 1777.1122643210. The cubic root of 3158128 is about 146.7156952707.

The spelling of 3158128 in words is "three million, one hundred fifty-eight thousand, one hundred twenty-eight".