2130120403 has 8 divisors (see below), whose sum is σ = 2171572416. Its totient is φ = 2088715200.

The previous prime is 2130120359. The next prime is 2130120409. The reversal of 2130120403 is 3040210312.

It is a happy number.

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 2130120403 - 2¹⁷ = 2129989331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130120409) 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, 88423 + ... + 109903.

It is an arithmetic number, because the mean of its divisors is an integer number (271446552).

Almost surely, 2^2130120403 is an apocalyptic number.

2130120403 is a deficient number, since it is larger than the sum of its proper divisors (41452013).

2130120403 is a wasteful number, since it uses less digits than its factorization.

2130120403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23405.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2130120403 is about 46153.2274386093. The cubic root of 2130120403 is about 1286.6725943227.

Adding to 2130120403 its reverse (3040210312), we get a palindrome (5170330715).

The spelling of 2130120403 in words is "two billion, one hundred thirty million, one hundred twenty thousand, four hundred three".