2100067 has 4 divisors (see below), whose sum is σ = 2120560. Its totient is φ = 2079576.

The previous prime is 2100053. The next prime is 2100071. The reversal of 2100067 is 7600012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100067 - 2⁷ = 2099939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100067.

It is not an unprimeable number, because it can be changed into a prime (2100097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10092 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (530140).

2^2100067 is an apocalyptic number.

2100067 is a deficient number, since it is larger than the sum of its proper divisors (20493).

2100067 is a wasteful number, since it uses less digits than its factorization.

2100067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20492.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2100067 is about 1449.1607916308. The cubic root of 2100067 is about 128.0592783700.

Adding to 2100067 its reverse (7600012), we get a palindrome (9700079).

Subtracting 2100067 from its reverse (7600012), we obtain a palindrome (5499945).

The spelling of 2100067 in words is "two million, one hundred thousand, sixty-seven".