2129459 has 4 divisors (see below), whose sum is σ = 2140800. Its totient is φ = 2118120.

The previous prime is 2129447. The next prime is 2129473. The reversal of 2129459 is 9549212.

2129459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2129459 - 2⁴ = 2129443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2129419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5384 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (535200).

2^2129459 is an apocalyptic number.

2129459 is a deficient number, since it is larger than the sum of its proper divisors (11341).

2129459 is a wasteful number, since it uses less digits than its factorization.

2129459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340.

The product of its digits is 6480, while the sum is 32.

The square root of 2129459 is about 1459.2665966163. The cubic root of 2129459 is about 128.6539409800.

The spelling of 2129459 in words is "two million, one hundred twenty-nine thousand, four hundred fifty-nine".