1087505 has 8 divisors (see below), whose sum is σ = 1311552. Its totient is φ = 865648.

The previous prime is 1087487. The next prime is 1087517. The reversal of 1087505 is 5057801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1087505 - 2⁸ = 1087249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (163944).

2^1087505 is an apocalyptic number.

It is an amenable number.

1087505 is a deficient number, since it is larger than the sum of its proper divisors (224047).

1087505 is an equidigital number, since it uses as much as digits as its factorization.

1087505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1087505 is about 1042.8350780445. The cubic root of 1087505 is about 102.8356634124.

The spelling of 1087505 in words is "one million, eighty-seven thousand, five hundred five".