2125104205 has 16 divisors (see below), whose sum is σ = 3041144064. Its totient is φ = 1393856640.

The previous prime is 2125104197. The next prime is 2125104211. The reversal of 2125104205 is 5024015212.

It is not a de Polignac number, because 2125104205 - 2³ = 2125104197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1319136 + ... + 1320745.

It is an arithmetic number, because the mean of its divisors is an integer number (190071504).

Almost surely, 2^2125104205 is an apocalyptic number.

It is an amenable number.

2125104205 is a deficient number, since it is larger than the sum of its proper divisors (916039859).

2125104205 is a wasteful number, since it uses less digits than its factorization.

2125104205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639916.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2125104205 is about 46098.8525345263. The cubic root of 2125104205 is about 1285.6618099188.

Adding to 2125104205 its reverse (5024015212), we get a palindrome (7149119417).

The spelling of 2125104205 in words is "two billion, one hundred twenty-five million, one hundred four thousand, two hundred five".