1080206587 has 4 divisors (see below), whose sum is σ = 1117455120. Its totient is φ = 1042958056.

The previous prime is 1080206581. The next prime is 1080206591. The reversal of 1080206587 is 7856020801.

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 1080206587 - 2¹¹ = 1080204539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080206581) 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, 18624223 + ... + 18624280.

It is an arithmetic number, because the mean of its divisors is an integer number (279363780).

Almost surely, 2^1080206587 is an apocalyptic number.

1080206587 is a deficient number, since it is larger than the sum of its proper divisors (37248533).

1080206587 is an equidigital number, since it uses as much as digits as its factorization.

1080206587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37248532.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1080206587 is about 32866.4964211277. The cubic root of 1080206587 is about 1026.0509821318.

The spelling of 1080206587 in words is "one billion, eighty million, two hundred six thousand, five hundred eighty-seven".