2130403 has 8 divisors (see below), whose sum is σ = 2335536. Its totient is φ = 1927200.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130403 is 3040312.

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

It is not a de Polignac number, because 2130403 - 2⁵ = 2130371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2893 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (291942).

2^2130403 is an apocalyptic number.

2130403 is a deficient number, since it is larger than the sum of its proper divisors (205133).

2130403 is a wasteful number, since it uses less digits than its factorization.

2130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2130403 is about 1459.5900109277. The cubic root of 2130403 is about 128.6729491535.

Adding to 2130403 its reverse (3040312), we get a palindrome (5170715).

Subtracting 2130403 from its reverse (3040312), we obtain a palindrome (909909).

The spelling of 2130403 in words is "two million, one hundred thirty thousand, four hundred three".