2123087 has 2 divisors, whose sum is σ = 2123088. Its totient is φ = 2123086.

The previous prime is 2123083. The next prime is 2123123. The reversal of 2123087 is 7803212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123087 - 2² = 2123083 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061543 + 1061544.

It is an arithmetic number, because the mean of its divisors is an integer number (1061544).

2^2123087 is an apocalyptic number.

2123087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123087 is an equidigital number, since it uses as much as digits as its factorization.

2123087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2123087 is about 1457.0816723849. The cubic root of 2123087 is about 128.5254886430.

Adding to 2123087 its reverse (7803212), we get a palindrome (9926299).

The spelling of 2123087 in words is "two million, one hundred twenty-three thousand, eighty-seven".