2170125 has 32 divisors (see below), whose sum is σ = 4018560. Its totient is φ = 1155600.

The previous prime is 2170121. The next prime is 2170127. The reversal of 2170125 is 5210712.

It is not a de Polignac number, because 2170125 - 2² = 2170121 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2170098 and 2170107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3054 + ... + 3696.

It is an arithmetic number, because the mean of its divisors is an integer number (125580).

2^2170125 is an apocalyptic number.

2170125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2170125 is a deficient number, since it is larger than the sum of its proper divisors (1848435).

2170125 is an equidigital number, since it uses as much as digits as its factorization.

2170125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 2170125 is about 1473.1344134192. The cubic root of 2170125 is about 129.4677448824.

Adding to 2170125 its reverse (5210712), we get a palindrome (7380837).

The spelling of 2170125 in words is "two million, one hundred seventy thousand, one hundred twenty-five".