2120431125 has 16 divisors (see below), whose sum is σ = 3528398016. Its totient is φ = 1130896400.

The previous prime is 2120431087. The next prime is 2120431147. The reversal of 2120431125 is 5211340212.

2120431125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2120431125 - 2⁷ = 2120430997 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2826867 + ... + 2827616.

It is an arithmetic number, because the mean of its divisors is an integer number (220524876).

Almost surely, 2^2120431125 is an apocalyptic number.

2120431125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2120431125 is a deficient number, since it is larger than the sum of its proper divisors (1407966891).

2120431125 is an equidigital number, since it uses as much as digits as its factorization.

2120431125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654501 (or 5654491 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2120431125 is about 46048.1392132190. The cubic root of 2120431125 is about 1284.7187330717.

Adding to 2120431125 its reverse (5211340212), we get a palindrome (7331771337).

The spelling of 2120431125 in words is "two billion, one hundred twenty million, four hundred thirty-one thousand, one hundred twenty-five".