2120133187 has 2 divisors, whose sum is σ = 2120133188. Its totient is φ = 2120133186.

The previous prime is 2120133173. The next prime is 2120133217. The reversal of 2120133187 is 7813310212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120133187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120133287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060066593 + 1060066594.

It is an arithmetic number, because the mean of its divisors is an integer number (1060066594).

Almost surely, 2^2120133187 is an apocalyptic number.

2120133187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120133187 is an equidigital number, since it uses as much as digits as its factorization.

2120133187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2120133187 is about 46044.9040285676. The cubic root of 2120133187 is about 1284.6585590731.

Adding to 2120133187 its reverse (7813310212), we get a palindrome (9933443399).

The spelling of 2120133187 in words is "two billion, one hundred twenty million, one hundred thirty-three thousand, one hundred eighty-seven".