2021104 has 20 divisors (see below), whose sum is σ = 3984120. Its totient is φ = 992960.

The previous prime is 2021099. The next prime is 2021119. The reversal of 2021104 is 4011202.

It is a super-2 number, since 2×2021104² = 8169722757632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (199206).

2^2021104 is an apocalyptic number.

It is an amenable number.

2021104 is a deficient number, since it is larger than the sum of its proper divisors (1963016).

2021104 is a wasteful number, since it uses less digits than its factorization.

2021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2021104 is about 1421.6553731478. The cubic root of 2021104 is about 126.4337115657.

Adding to 2021104 its reverse (4011202), we get a palindrome (6032306).

The spelling of 2021104 in words is "two million, twenty-one thousand, one hundred four".