2124481 has 4 divisors (see below), whose sum is σ = 2132272. Its totient is φ = 2116692.

The previous prime is 2124469. The next prime is 2124491. The reversal of 2124481 is 1844212.

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 2124481 - 2⁵ = 2124449 is a prime.

It is a super-2 number, since 2×2124481² = 9026839038722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2124401) 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, 3471 + ... + 4036.

It is an arithmetic number, because the mean of its divisors is an integer number (533068).

2^2124481 is an apocalyptic number.

It is an amenable number.

2124481 is a deficient number, since it is larger than the sum of its proper divisors (7791).

2124481 is an equidigital number, since it uses as much as digits as its factorization.

2124481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790.

The product of its digits is 512, while the sum is 22.

The square root of 2124481 is about 1457.5599473092. The cubic root of 2124481 is about 128.5536120521.

Adding to 2124481 its reverse (1844212), we get a palindrome (3968693).

The spelling of 2124481 in words is "two million, one hundred twenty-four thousand, four hundred eighty-one".