2116087 has 4 divisors (see below), whose sum is σ = 2227480. Its totient is φ = 2004696.

The previous prime is 2116063. The next prime is 2116097. The reversal of 2116087 is 7806112.

2116087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2116087 - 2¹¹ = 2114039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116027) 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 3 ways as a sum of consecutive naturals, for example, 55668 + ... + 55705.

It is an arithmetic number, because the mean of its divisors is an integer number (556870).

2^2116087 is an apocalyptic number.

2116087 is a deficient number, since it is larger than the sum of its proper divisors (111393).

2116087 is a wasteful number, since it uses less digits than its factorization.

2116087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111392.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2116087 is about 1454.6776275175. The cubic root of 2116087 is about 128.3840799289.

Adding to 2116087 its sum of digits (25), we get a palindrome (2116112).

The spelling of 2116087 in words is "two million, one hundred sixteen thousand, eighty-seven".