1087655 has 12 divisors (see below), whose sum is σ = 1386840. Its totient is φ = 816624.

The previous prime is 1087631. The next prime is 1087657. The reversal of 1087655 is 5567801.

It is not a de Polignac number, because 1087655 - 2⁶ = 1087591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10112 + ... + 10218.

It is an arithmetic number, because the mean of its divisors is an integer number (115570).

2^1087655 is an apocalyptic number.

1087655 is a deficient number, since it is larger than the sum of its proper divisors (299185).

1087655 is an equidigital number, since it uses as much as digits as its factorization.

1087655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1087655 is about 1042.9069948946. The cubic root of 1087655 is about 102.8403912497.

The spelling of 1087655 in words is "one million, eighty-seven thousand, six hundred fifty-five".