1087587 has 20 divisors (see below), whose sum is σ = 1684320. Its totient is φ = 698544.

The previous prime is 1087561. The next prime is 1087589. The reversal of 1087587 is 7857801.

It is not a de Polignac number, because 1087587 - 2⁷ = 1087459 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1087589) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2118 + ... + 2580.

It is an arithmetic number, because the mean of its divisors is an integer number (84216).

2^1087587 is an apocalyptic number.

1087587 is a deficient number, since it is larger than the sum of its proper divisors (596733).

1087587 is an equidigital number, since it uses as much as digits as its factorization.

1087587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The square root of 1087587 is about 1042.8743932037. The cubic root of 1087587 is about 102.8382480173.

The spelling of 1087587 in words is "one million, eighty-seven thousand, five hundred eighty-seven".