2100026 has 4 divisors (see below), whose sum is σ = 3150042. Its totient is φ = 1050012.

The previous prime is 2100011. The next prime is 2100031. The reversal of 2100026 is 6200012.

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., 1288225 + 811801 = 1135^2 + 901^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525005 + ... + 525008.

2^2100026 is an apocalyptic number.

2100026 is a deficient number, since it is larger than the sum of its proper divisors (1050016).

2100026 is a wasteful number, since it uses less digits than its factorization.

2100026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050015.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100026 is about 1449.1466454434. The cubic root of 2100026 is about 128.0584449896.

Adding to 2100026 its reverse (6200012), we get a palindrome (8300038).

The spelling of 2100026 in words is "two million, one hundred thousand, twenty-six".