2172050187 has 16 divisors (see below), whose sum is σ = 2961197568. Its totient is φ = 1415662560.

The previous prime is 2172050173. The next prime is 2172050213. The reversal of 2172050187 is 7810502712.

2172050187 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2172050187 - 2¹⁴ = 2172033803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2172050107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20862 + ... + 69132.

It is an arithmetic number, because the mean of its divisors is an integer number (185074848).

Almost surely, 2^2172050187 is an apocalyptic number.

2172050187 is a deficient number, since it is larger than the sum of its proper divisors (789147381).

2172050187 is a wasteful number, since it uses less digits than its factorization.

2172050187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48610.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 2172050187 is about 46605.2592203927. The cubic root of 2172050187 is about 1295.0601855323.

Adding to 2172050187 its reverse (7810502712), we get a palindrome (9982552899).

The spelling of 2172050187 in words is "two billion, one hundred seventy-two million, fifty thousand, one hundred eighty-seven".