2011087 has 4 divisors (see below), whose sum is σ = 2165800. Its totient is φ = 1856376.

The previous prime is 2011081. The next prime is 2011099. The reversal of 2011087 is 7801102.

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 2011087 - 2¹¹ = 2009039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011081) 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, 77337 + ... + 77362.

It is an arithmetic number, because the mean of its divisors is an integer number (541450).

2^2011087 is an apocalyptic number.

2011087 is a deficient number, since it is larger than the sum of its proper divisors (154713).

2011087 is a wasteful number, since it uses less digits than its factorization.

2011087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154712.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 2011087 is about 1418.1279914028. The cubic root of 2011087 is about 126.2244885223.

Adding to 2011087 its reverse (7801102), we get a palindrome (9812189).

The spelling of 2011087 in words is "two million, eleven thousand, eighty-seven".