2125430201 has 4 divisors (see below), whose sum is σ = 2177270004. Its totient is φ = 2073590400.

The previous prime is 2125430191. The next prime is 2125430243. The reversal of 2125430201 is 1020345212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284934400 + 1840495801 = 16880^2 + 42901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125430201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2125430501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25919840 + ... + 25919921.

It is an arithmetic number, because the mean of its divisors is an integer number (544317501).

Almost surely, 2^2125430201 is an apocalyptic number.

It is an amenable number.

2125430201 is a deficient number, since it is larger than the sum of its proper divisors (51839803).

2125430201 is an equidigital number, since it uses as much as digits as its factorization.

2125430201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51839802.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2125430201 is about 46102.3882353181. The cubic root of 2125430201 is about 1285.7275477427.

Adding to 2125430201 its reverse (1020345212), we get a palindrome (3145775413).

The spelling of 2125430201 in words is "two billion, one hundred twenty-five million, four hundred thirty thousand, two hundred one".