2121067 has 8 divisors (see below), whose sum is σ = 2300256. Its totient is φ = 1944192.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121067 is 7601212.

2121067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121017) 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 in 7 ways as a sum of consecutive naturals, for example, 1683 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (287532).

2^2121067 is an apocalyptic number.

2121067 is a deficient number, since it is larger than the sum of its proper divisors (179189).

2121067 is a wasteful number, since it uses less digits than its factorization.

2121067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 2121067 is about 1456.3883410684. The cubic root of 2121067 is about 128.4847140745.

Adding to 2121067 its reverse (7601212), we get a palindrome (9722279).

The spelling of 2121067 in words is "two million, one hundred twenty-one thousand, sixty-seven".