2105125 has 16 divisors (see below), whose sum is σ = 2867904. Its totient is φ = 1530000.

The previous prime is 2105119. The next prime is 2105141. The reversal of 2105125 is 5215012.

It is not a de Polignac number, because 2105125 - 2¹⁷ = 1974053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2105099 and 2105108.

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, 610 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (179244).

2^2105125 is an apocalyptic number.

2105125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2105125 is a deficient number, since it is larger than the sum of its proper divisors (762779).

2105125 is a wasteful number, since it uses less digits than its factorization.

2105125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2105125 is about 1450.9048900600. The cubic root of 2105125 is about 128.1620059674.

It can be divided in two parts, 210 and 5125, that added together give a palindrome (5335).

The spelling of 2105125 in words is "two million, one hundred five thousand, one hundred twenty-five".