2124461 has 4 divisors (see below), whose sum is σ = 2193024. Its totient is φ = 2055900.

The previous prime is 2124457. The next prime is 2124467. The reversal of 2124461 is 1644212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2124461 - 2² = 2124457 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 34235 + ... + 34296.

It is an arithmetic number, because the mean of its divisors is an integer number (548256).

2^2124461 is an apocalyptic number.

It is an amenable number.

2124461 is a deficient number, since it is larger than the sum of its proper divisors (68563).

2124461 is an equidigital number, since it uses as much as digits as its factorization.

2124461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68562.

The product of its digits is 384, while the sum is 20.

The square root of 2124461 is about 1457.5530865118. The cubic root of 2124461 is about 128.5532086469.

Adding to 2124461 its reverse (1644212), we get a palindrome (3768673).

Subtracting from 2124461 its reverse (1644212), we obtain a square (480249 = 693²).

The spelling of 2124461 in words is "two million, one hundred twenty-four thousand, four hundred sixty-one".