2122087 has 4 divisors (see below), whose sum is σ = 2315016. Its totient is φ = 1929160.

The previous prime is 2122079. The next prime is 2122103. The reversal of 2122087 is 7802212.

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 2122087 - 2³ = 2122079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123087) 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, 96448 + ... + 96469.

It is an arithmetic number, because the mean of its divisors is an integer number (578754).

2^2122087 is an apocalyptic number.

2122087 is a deficient number, since it is larger than the sum of its proper divisors (192929).

2122087 is a wasteful number, since it uses less digits than its factorization.

2122087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192928.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2122087 is about 1456.7384803045. The cubic root of 2122087 is about 128.5053064471.

Adding to 2122087 its reverse (7802212), we get a palindrome (9924299).

The spelling of 2122087 in words is "two million, one hundred twenty-two thousand, eighty-seven".