2124538 has 16 divisors (see below), whose sum is σ = 3517416. Its totient is φ = 956160.

The previous prime is 2124517. The next prime is 2124553. The reversal of 2124538 is 8354212.

2124538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1138489 + 986049 = 1067^2 + 993^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70 + ... + 2062.

2^2124538 is an apocalyptic number.

2124538 is a deficient number, since it is larger than the sum of its proper divisors (1392878).

2124538 is a wasteful number, since it uses less digits than its factorization.

2124538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049.

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

The square root of 2124538 is about 1457.5795004047. The cubic root of 2124538 is about 128.5547617431.

It can be divided in two parts, 2124 and 538, that added together give a palindrome (2662).

The spelling of 2124538 in words is "two million, one hundred twenty-four thousand, five hundred thirty-eight".