2125260243 has 12 divisors (see below), whose sum is σ = 3071488888. Its totient is φ = 1416070080.

The previous prime is 2125260239. The next prime is 2125260271. The reversal of 2125260243 is 3420625212.

It is a happy number.

2125260243 is a `hidden beast` number, since 2 + 1 + 2 + 52 + 602 + 4 + 3 = 666.

It is not a de Polignac number, because 2125260243 - 2² = 2125260239 is a prime.

It is a super-2 number, since 2×2125260243² = 9033462200952838098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125260233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46438 + ... + 80043.

Almost surely, 2^2125260243 is an apocalyptic number.

2125260243 is a deficient number, since it is larger than the sum of its proper divisors (946228645).

2125260243 is a wasteful number, since it uses less digits than its factorization.

2125260243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128354 (or 128351 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2125260243 is about 46100.5449317034. The cubic root of 2125260243 is about 1285.6932761699.

Adding to 2125260243 its reverse (3420625212), we get a palindrome (5545885455).

The spelling of 2125260243 in words is "two billion, one hundred twenty-five million, two hundred sixty thousand, two hundred forty-three".