2125099208 has 16 divisors (see below), whose sum is σ = 4081746060. Its totient is φ = 1036633600.

The previous prime is 2125099189. The next prime is 2125099247. The reversal of 2125099208 is 8029905212.

It can be written as a sum of positive squares in 2 ways, for example, as 2106626404 + 18472804 = 45898^2 + 4298^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3239153 + ... + 3239808.

Almost surely, 2^2125099208 is an apocalyptic number.

It is an amenable number.

2125099208 is a deficient number, since it is larger than the sum of its proper divisors (1956646852).

2125099208 is a wasteful number, since it uses less digits than its factorization.

2125099208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6479008 (or 6479004 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2125099208 is about 46098.7983357484. The cubic root of 2125099208 is about 1285.6608022102.

The spelling of 2125099208 in words is "two billion, one hundred twenty-five million, ninety-nine thousand, two hundred eight".