2173124 has 6 divisors (see below), whose sum is σ = 3802974. Its totient is φ = 1086560.

The previous prime is 2173111. The next prime is 2173141. The reversal of 2173124 is 4213712.

It can be written as a sum of positive squares in only one way, i.e., 2050624 + 122500 = 1432^2 + 350^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2173096 and 2173105.

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 as a sum of consecutive naturals, namely, 271637 + ... + 271644.

It is an arithmetic number, because the mean of its divisors is an integer number (633829).

2^2173124 is an apocalyptic number.

It is an amenable number.

2173124 is a deficient number, since it is larger than the sum of its proper divisors (1629850).

2173124 is a wasteful number, since it uses less digits than its factorization.

2173124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543285 (or 543283 counting only the distinct ones).

The product of its digits is 336, while the sum is 20.

The square root of 2173124 is about 1474.1519596025. The cubic root of 2173124 is about 129.5273566630.

Adding to 2173124 its reverse (4213712), we get a palindrome (6386836).

The spelling of 2173124 in words is "two million, one hundred seventy-three thousand, one hundred twenty-four".