2103172 has 24 divisors (see below), whose sum is σ = 3941784. Its totient is φ = 978432.

The previous prime is 2103169. The next prime is 2103181. The reversal of 2103172 is 2713012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 988036 + 1115136 = 994^2 + 1056^2 .

It is a super-3 number, since 3×2103172³ = 27909086939683633344, which contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10578 + ... + 10774.

It is an arithmetic number, because the mean of its divisors is an integer number (164241).

2^2103172 is an apocalyptic number.

It is an amenable number.

2103172 is a deficient number, since it is larger than the sum of its proper divisors (1838612).

2103172 is a wasteful number, since it uses less digits than its factorization.

2103172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2103172 is about 1450.2317056250. The cubic root of 2103172 is about 128.1223602074.

Adding to 2103172 its reverse (2713012), we get a palindrome (4816184).

The spelling of 2103172 in words is "two million, one hundred three thousand, one hundred seventy-two".