2130243125 has 10 divisors (see below), whose sum is σ = 2661952590. Its totient is φ = 1704194000.

The previous prime is 2130243107. The next prime is 2130243139. The reversal of 2130243125 is 5213420312.

It can be written as a sum of positive squares in 5 ways, for example, as 1147922161 + 982320964 = 33881^2 + 31342^2 .

It is not a de Polignac number, because 2130243125 - 2⁸ = 2130242869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2130243125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1703570 + ... + 1704819.

It is an arithmetic number, because the mean of its divisors is an integer number (266195259).

Almost surely, 2^2130243125 is an apocalyptic number.

2130243125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130243125 is a deficient number, since it is larger than the sum of its proper divisors (531709465).

2130243125 is an frugal number, since it uses more digits than its factorization.

2130243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408409 (or 3408394 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2130243125 is about 46154.5569256168. The cubic root of 2130243125 is about 1286.6973034114.

Adding to 2130243125 its reverse (5213420312), we get a palindrome (7343663437).

The spelling of 2130243125 in words is "two billion, one hundred thirty million, two hundred forty-three thousand, one hundred twenty-five".