2124385 has 8 divisors (see below), whose sum is σ = 2580480. Its totient is φ = 1678704.

The previous prime is 2124377. The next prime is 2124401. The reversal of 2124385 is 5834212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2124385 - 2³ = 2124377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (322560).

2^2124385 is an apocalyptic number.

It is an amenable number.

2124385 is a deficient number, since it is larger than the sum of its proper divisors (456095).

2124385 is an equidigital number, since it uses as much as digits as its factorization.

2124385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207.

The product of its digits is 1920, while the sum is 25.

The square root of 2124385 is about 1457.5270151870. The cubic root of 2124385 is about 128.5516756838.

Adding to 2124385 its reverse (5834212), we get a palindrome (7958597).

The spelling of 2124385 in words is "two million, one hundred twenty-four thousand, three hundred eighty-five".