2125125 has 24 divisors (see below), whose sum is σ = 3832920. Its totient is φ = 1132800.

The previous prime is 2125111. The next prime is 2125147. The reversal of 2125125 is 5215212.

It can be written as a sum of positive squares in 4 ways, for example, as 103041 + 2022084 = 321^2 + 1422^2 .

It is not a de Polignac number, because 2125125 - 2⁸ = 2124869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2125098 and 2125107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

2^2125125 is an apocalyptic number.

2125125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2125125 is a deficient number, since it is larger than the sum of its proper divisors (1707795).

2125125 is a wasteful number, since it uses less digits than its factorization.

2125125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1897 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 2125125 is about 1457.7808477271. The cubic root of 2125125 is about 128.5666003478.

The spelling of 2125125 in words is "two million, one hundred twenty-five thousand, one hundred twenty-five".