2123536 has 10 divisors (see below), whose sum is σ = 4114382. Its totient is φ = 1061760.

The previous prime is 2123491. The next prime is 2123557. The reversal of 2123536 is 6353212.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 3600 = 1456^2 + 60^2 .

It is a d-powerful number, because it can be written as 2⁷ + 1 + 2²¹ + 3⁸ + 5 + 3⁹ + 6 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66345 + ... + 66376.

2^2123536 is an apocalyptic number.

It is an amenable number.

2123536 is a deficient number, since it is larger than the sum of its proper divisors (1990846).

2123536 is a wasteful number, since it uses less digits than its factorization.

2123536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132729 (or 132723 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 2123536 is about 1457.2357393366. The cubic root of 2123536 is about 128.5345483874.

Adding to 2123536 its reverse (6353212), we get a palindrome (8476748).

The spelling of 2123536 in words is "two million, one hundred twenty-three thousand, five hundred thirty-six".