2174121 has 24 divisors (see below), whose sum is σ = 3407040. Its totient is φ = 1382832.

The previous prime is 2174119. The next prime is 2174131. The reversal of 2174121 is 1214712.

It is not a de Polignac number, because 2174121 - 2¹ = 2174119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2174094 and 2174103.

It is not an unprimeable number, because it can be changed into a prime (2174131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5395 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2^2174121 is an apocalyptic number.

It is an amenable number.

2174121 is a deficient number, since it is larger than the sum of its proper divisors (1232919).

2174121 is an equidigital number, since it uses as much as digits as its factorization.

2174121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 415 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 2174121 is about 1474.4900813502. The cubic root of 2174121 is about 129.5471621029.

Adding to 2174121 its reverse (1214712), we get a palindrome (3388833).

The spelling of 2174121 in words is "two million, one hundred seventy-four thousand, one hundred twenty-one".