2102125 has 16 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 1650000.

The previous prime is 2102117. The next prime is 2102137. The reversal of 2102125 is 5212012.

It is not a de Polignac number, because 2102125 - 2³ = 2102117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8250 + ... + 8500.

It is an arithmetic number, because the mean of its divisors is an integer number (167076).

2^2102125 is an apocalyptic number.

2102125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102125 is a deficient number, since it is larger than the sum of its proper divisors (571091).

2102125 is an equidigital number, since it uses as much as digits as its factorization.

2102125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2102125 is about 1449.8706838887. The cubic root of 2102125 is about 128.1010960760.

Adding to 2102125 its reverse (5212012), we get a palindrome (7314137).

It can be divided in two parts, 21021 and 25, that multiplied together give a palindrome (525525).

The spelling of 2102125 in words is "two million, one hundred two thousand, one hundred twenty-five".