2124547 has 4 divisors (see below), whose sum is σ = 2151520. Its totient is φ = 2097576.

The previous prime is 2124517. The next prime is 2124553. The reversal of 2124547 is 7454212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2124547 - 2¹¹ = 2122499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2124517) 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, 13368 + ... + 13525.

It is an arithmetic number, because the mean of its divisors is an integer number (537880).

2^2124547 is an apocalyptic number.

2124547 is a deficient number, since it is larger than the sum of its proper divisors (26973).

2124547 is an equidigital number, since it uses as much as digits as its factorization.

2124547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26972.

The product of its digits is 2240, while the sum is 25.

The square root of 2124547 is about 1457.5825877116. The cubic root of 2124547 is about 128.5549432714.

Adding to 2124547 its reverse (7454212), we get a palindrome (9578759).

The spelling of 2124547 in words is "two million, one hundred twenty-four thousand, five hundred forty-seven".