2102975 has 24 divisors (see below), whose sum is σ = 3044448. Its totient is φ = 1411200.

The previous prime is 2102941. The next prime is 2102999. The reversal of 2102975 is 5792012.

2102975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2102975 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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10577 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (126852).

2^2102975 is an apocalyptic number.

2102975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2102975 is a deficient number, since it is larger than the sum of its proper divisors (941473).

2102975 is a wasteful number, since it uses less digits than its factorization.

2102975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2102975 is about 1450.1637838534. The cubic root of 2102975 is about 128.1183597590.

Adding to 2102975 its reverse (5792012), we get a palindrome (7894987).

The spelling of 2102975 in words is "two million, one hundred two thousand, nine hundred seventy-five".