2112487 has 4 divisors (see below), whose sum is σ = 2275000. Its totient is φ = 1949976.

The previous prime is 2112469. The next prime is 2112493. The reversal of 2112487 is 7842112.

It is a happy number.

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 2112487 - 2¹¹ = 2110439 is a prime.

2112487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112587) 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, 81237 + ... + 81262.

It is an arithmetic number, because the mean of its divisors is an integer number (568750).

2^2112487 is an apocalyptic number.

2112487 is a deficient number, since it is larger than the sum of its proper divisors (162513).

2112487 is a wasteful number, since it uses less digits than its factorization.

2112487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162512.

The product of its digits is 896, while the sum is 25.

The square root of 2112487 is about 1453.4397132320. The cubic root of 2112487 is about 128.3112339900.

Adding to 2112487 its reverse (7842112), we get a palindrome (9954599).

The spelling of 2112487 in words is "two million, one hundred twelve thousand, four hundred eighty-seven".