2006121 has 8 divisors (see below), whose sum is σ = 2880640. Its totient is φ = 1234512.

The previous prime is 2006111. The next prime is 2006141. The reversal of 2006121 is 1216002.

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

It is not a de Polignac number, because 2006121 - 2¹¹ = 2004073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2006097 and 2006106.

It is not an unprimeable number, because it can be changed into a prime (2006111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25681 + ... + 25758.

It is an arithmetic number, because the mean of its divisors is an integer number (360080).

2^2006121 is an apocalyptic number.

It is an amenable number.

2006121 is a deficient number, since it is larger than the sum of its proper divisors (874519).

2006121 is a wasteful number, since it uses less digits than its factorization.

2006121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51455.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2006121 is about 1416.3760093986. The cubic root of 2006121 is about 126.1205070327.

The spelling of 2006121 in words is "two million, six thousand, one hundred twenty-one".