2124465 has 16 divisors (see below), whose sum is σ = 3884928. Its totient is φ = 971136.

The previous prime is 2124457. The next prime is 2124467. The reversal of 2124465 is 5644212.

It is not a de Polignac number, because 2124465 - 2³ = 2124457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2124467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10012 + ... + 10221.

It is an arithmetic number, because the mean of its divisors is an integer number (242808).

2^2124465 is an apocalyptic number.

It is an amenable number.

2124465 is a deficient number, since it is larger than the sum of its proper divisors (1760463).

2124465 is a wasteful number, since it uses less digits than its factorization.

2124465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248.

The product of its digits is 1920, while the sum is 24.

The square root of 2124465 is about 1457.5544586738. The cubic root of 2124465 is about 128.5532893281.

Adding to 2124465 its reverse (5644212), we get a palindrome (7768677).

The spelling of 2124465 in words is "two million, one hundred twenty-four thousand, four hundred sixty-five".