2129603 has 8 divisors (see below), whose sum is σ = 2465280. Its totient is φ = 1801800.

The previous prime is 2129599. The next prime is 2129627. The reversal of 2129603 is 3069212.

2129603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2129603 - 2² = 2129599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2129003) 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 7 ways as a sum of consecutive naturals, for example, 1373 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (308160).

2^2129603 is an apocalyptic number.

2129603 is a deficient number, since it is larger than the sum of its proper divisors (335677).

2129603 is an equidigital number, since it uses as much as digits as its factorization.

2129603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2129603 is about 1459.3159356356. The cubic root of 2129603 is about 128.6568408949.

The spelling of 2129603 in words is "two million, one hundred twenty-nine thousand, six hundred three".