2128607 has 8 divisors (see below), whose sum is σ = 2324784. Its totient is φ = 1937088.

The previous prime is 2128603. The next prime is 2128631. The reversal of 2128607 is 7068212.

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

It is a cyclic number.

It is not a de Polignac number, because 2128607 - 2² = 2128603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (290598).

2^2128607 is an apocalyptic number.

2128607 is a deficient number, since it is larger than the sum of its proper divisors (196177).

2128607 is a wasteful number, since it uses less digits than its factorization.

2128607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2128607 is about 1458.9746399441. The cubic root of 2128607 is about 128.6367804743.

The spelling of 2128607 in words is "two million, one hundred twenty-eight thousand, six hundred seven".