2126106587 has 4 divisors (see below), whose sum is σ = 2319389016. Its totient is φ = 1932824160.

The previous prime is 2126106583. The next prime is 2126106589. The reversal of 2126106587 is 7856016212.

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 2126106587 - 2² = 2126106583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126106587.

It is not an unprimeable number, because it can be changed into a prime (2126106583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96641198 + ... + 96641219.

It is an arithmetic number, because the mean of its divisors is an integer number (579847254).

Almost surely, 2^2126106587 is an apocalyptic number.

2126106587 is a deficient number, since it is larger than the sum of its proper divisors (193282429).

2126106587 is a wasteful number, since it uses less digits than its factorization.

2126106587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193282428.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2126106587 is about 46109.7233455157. The cubic root of 2126106587 is about 1285.8639210564.

The spelling of 2126106587 in words is "two billion, one hundred twenty-six million, one hundred six thousand, five hundred eighty-seven".