1087687 has 2 divisors, whose sum is σ = 1087688. Its totient is φ = 1087686.

The previous prime is 1087679. The next prime is 1087717. The reversal of 1087687 is 7867801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1087687 - 2³ = 1087679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543843 + 543844.

It is an arithmetic number, because the mean of its divisors is an integer number (543844).

2^1087687 is an apocalyptic number.

1087687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087687 is an equidigital number, since it uses as much as digits as its factorization.

1087687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1087687 is about 1042.9223365141. The cubic root of 1087687 is about 102.8413997988.

The spelling of 1087687 in words is "one million, eighty-seven thousand, six hundred eighty-seven".