2102008187 has 2 divisors, whose sum is σ = 2102008188. Its totient is φ = 2102008186.

The previous prime is 2102008169. The next prime is 2102008243. The reversal of 2102008187 is 7818002012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102008187 - 2²⁰ = 2100959611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102008127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051004093 + 1051004094.

It is an arithmetic number, because the mean of its divisors is an integer number (1051004094).

Almost surely, 2^2102008187 is an apocalyptic number.

2102008187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102008187 is an equidigital number, since it uses as much as digits as its factorization.

2102008187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 2102008187 is about 45847.6628302905. The cubic root of 2102008187 is about 1280.9872321511.

The spelling of 2102008187 in words is "two billion, one hundred two million, eight thousand, one hundred eighty-seven".