2125826 has 4 divisors (see below), whose sum is σ = 3188742. Its totient is φ = 1062912.

The previous prime is 2125819. The next prime is 2125831. The reversal of 2125826 is 6285212.

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., 1324801 + 801025 = 1151^2 + 895^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2125795 and 2125804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531455 + ... + 531458.

2^2125826 is an apocalyptic number.

2125826 is a deficient number, since it is larger than the sum of its proper divisors (1062916).

2125826 is a wasteful number, since it uses less digits than its factorization.

2125826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062915.

The product of its digits is 1920, while the sum is 26.

The square root of 2125826 is about 1458.0212618477. The cubic root of 2125826 is about 128.5807352464.

The spelling of 2125826 in words is "two million, one hundred twenty-five thousand, eight hundred twenty-six".