2681128 has 32 divisors (see below), whose sum is σ = 5472000. Its totient is φ = 1226880.

The previous prime is 2681117. The next prime is 2681141. The reversal of 2681128 is 8211862.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2681096 and 2681105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4428 + ... + 4996.

It is an arithmetic number, because the mean of its divisors is an integer number (171000).

2^2681128 is an apocalyptic number.

It is an amenable number.

2681128 is an abundant number, since it is smaller than the sum of its proper divisors (2790872).

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

2681128 is a wasteful number, since it uses less digits than its factorization.

2681128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 2681128 is about 1637.4150359637. The cubic root of 2681128 is about 138.9224763095.

It can be divided in two parts, 2681 and 128, that added together give a square (2809 = 53²).

The spelling of 2681128 in words is "two million, six hundred eighty-one thousand, one hundred twenty-eight".