1087591205 has 16 divisors (see below), whose sum is σ = 1351296000. Its totient is φ = 839334720.

The previous prime is 1087591199. The next prime is 1087591229. The reversal of 1087591205 is 5021957801.

It is not a de Polignac number, because 1087591205 - 2¹⁴ = 1087574821 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210746 + ... + 215844.

It is an arithmetic number, because the mean of its divisors is an integer number (84456000).

Almost surely, 2^1087591205 is an apocalyptic number.

It is an amenable number.

1087591205 is a deficient number, since it is larger than the sum of its proper divisors (263704795).

1087591205 is a wasteful number, since it uses less digits than its factorization.

1087591205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 1087591205 is about 32978.6477133311. The cubic root of 1087591205 is about 1028.3838055363.

The spelling of 1087591205 in words is "one billion, eighty-seven million, five hundred ninety-one thousand, two hundred five".