2142405203 has 2 divisors, whose sum is σ = 2142405204. Its totient is φ = 2142405202.

The previous prime is 2142405179. The next prime is 2142405259. The reversal of 2142405203 is 3025042412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142405203 - 2²⁶ = 2075296339 is a prime.

It is not a weakly prime, because it can be changed into another prime (2142405283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071202601 + 1071202602.

It is an arithmetic number, because the mean of its divisors is an integer number (1071202602).

Almost surely, 2^2142405203 is an apocalyptic number.

2142405203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142405203 is an equidigital number, since it uses as much as digits as its factorization.

2142405203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2142405203 is about 46286.1232228408. The cubic root of 2142405203 is about 1289.1413477446.

Adding to 2142405203 its reverse (3025042412), we get a palindrome (5167447615).

The spelling of 2142405203 in words is "two billion, one hundred forty-two million, four hundred five thousand, two hundred three".