1085587 has 2 divisors, whose sum is σ = 1085588. Its totient is φ = 1085586.

The previous prime is 1085551. The next prime is 1085611. The reversal of 1085587 is 7855801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1085587 - 2⁷ = 1085459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1085687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542793 + 542794.

It is an arithmetic number, because the mean of its divisors is an integer number (542794).

2^1085587 is an apocalyptic number.

1085587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085587 is an equidigital number, since it uses as much as digits as its factorization.

1085587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 1085587 is about 1041.9150637168. The cubic root of 1085587 is about 102.7751717760.

The spelling of 1085587 in words is "one million, eighty-five thousand, five hundred eighty-seven".