2120341187 has 2 divisors, whose sum is σ = 2120341188. Its totient is φ = 2120341186.

The previous prime is 2120341169. The next prime is 2120341213. The reversal of 2120341187 is 7811430212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120341187 - 2⁸ = 2120340931 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120341147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060170593 + 1060170594.

It is an arithmetic number, because the mean of its divisors is an integer number (1060170594).

Almost surely, 2^2120341187 is an apocalyptic number.

2120341187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120341187 is an equidigital number, since it uses as much as digits as its factorization.

2120341187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2120341187 is about 46047.1626378868. The cubic root of 2120341187 is about 1284.7005690506.

Adding to 2120341187 its reverse (7811430212), we get a palindrome (9931771399).

The spelling of 2120341187 in words is "two billion, one hundred twenty million, three hundred forty-one thousand, one hundred eighty-seven".