2125738 has 4 divisors (see below), whose sum is σ = 3188610. Its totient is φ = 1062868.

The previous prime is 2125733. The next prime is 2125741. The reversal of 2125738 is 8375212.

2125738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1868689 + 257049 = 1367^2 + 507^2 .

It is a d-powerful number, because it can be written as 2² + 1 + 2¹⁹ + 5⁴ + 7⁴ + 3¹³ + 8⁴ .

It is not an unprimeable number, because it can be changed into a prime (2125733) by changing a digit.

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 as a sum of consecutive naturals, namely, 531433 + ... + 531436.

2^2125738 is an apocalyptic number.

2125738 is a deficient number, since it is larger than the sum of its proper divisors (1062872).

2125738 is a wasteful number, since it uses less digits than its factorization.

2125738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062871.

The product of its digits is 3360, while the sum is 28.

The square root of 2125738 is about 1457.9910836490. The cubic root of 2125738 is about 128.5789609932.

The spelling of 2125738 in words is "two million, one hundred twenty-five thousand, seven hundred thirty-eight".