2124784 has 30 divisors (see below), whose sum is σ = 4273040. Its totient is φ = 1023360.

The previous prime is 2124769. The next prime is 2124791. The reversal of 2124784 is 4874212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26857 + ... + 26935.

2^2124784 is an apocalyptic number.

It is an amenable number.

2124784 is an abundant number, since it is smaller than the sum of its proper divisors (2148256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124784 is an equidigital number, since it uses as much as digits as its factorization.

2124784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 122 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 2124784 is about 1457.6638844398. The cubic root of 2124784 is about 128.5597233318.

Adding to 2124784 its reverse (4874212), we get a palindrome (6998996).

The spelling of 2124784 in words is "two million, one hundred twenty-four thousand, seven hundred eighty-four".