2130125 has 8 divisors (see below), whose sum is σ = 2658552. Its totient is φ = 1704000.

The previous prime is 2130101. The next prime is 2130133. The reversal of 2130125 is 5210312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1444 + 2128681 = 38^2 + 1459^2 .

It is not a de Polignac number, because 2130125 - 2⁶ = 2130061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8396 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (332319).

2^2130125 is an apocalyptic number.

2130125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130125 is a deficient number, since it is larger than the sum of its proper divisors (528427).

2130125 is an equidigital number, since it uses as much as digits as its factorization.

2130125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17056 (or 17046 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2130125 is about 1459.4947755987. The cubic root of 2130125 is about 128.6673519909.

Adding to 2130125 its reverse (5210312), we get a palindrome (7340437).

The spelling of 2130125 in words is "two million, one hundred thirty thousand, one hundred twenty-five".