2128351 has 16 divisors (see below), whose sum is σ = 2374848. Its totient is φ = 1900800.

The previous prime is 2128333. The next prime is 2128381. The reversal of 2128351 is 1538212.

It is a cyclic number.

It is not a de Polignac number, because 2128351 - 2⁵ = 2128319 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 (2128381) 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 15 ways as a sum of consecutive naturals, for example, 34861 + ... + 34921.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^2128351 is an apocalyptic number.

2128351 is a deficient number, since it is larger than the sum of its proper divisors (246497).

2128351 is a wasteful number, since it uses less digits than its factorization.

2128351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its digits is 480, while the sum is 22.

The square root of 2128351 is about 1458.8869044583. The cubic root of 2128351 is about 128.6316233714.

The spelling of 2128351 in words is "two million, one hundred twenty-eight thousand, three hundred fifty-one".