2125144205 has 16 divisors (see below), whose sum is σ = 2685614400. Its totient is φ = 1609902720.

The previous prime is 2125144183. The next prime is 2125144207. The reversal of 2125144205 is 5024415212.

It is not a de Polignac number, because 2125144205 - 2¹⁸ = 2124882061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125144207) 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, 301370 + ... + 308340.

It is an arithmetic number, because the mean of its divisors is an integer number (167850900).

Almost surely, 2^2125144205 is an apocalyptic number.

It is an amenable number.

2125144205 is a deficient number, since it is larger than the sum of its proper divisors (560470195).

2125144205 is a wasteful number, since it uses less digits than its factorization.

2125144205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10204.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2125144205 is about 46099.2863827630. The cubic root of 2125144205 is about 1285.6698763703.

Adding to 2125144205 its reverse (5024415212), we get a palindrome (7149559417).

It can be divided in two parts, 21251 and 44205, that added together give a palindrome (65456).

The spelling of 2125144205 in words is "two billion, one hundred twenty-five million, one hundred forty-four thousand, two hundred five".