1087635 has 16 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 561120.

The previous prime is 1087631. The next prime is 1087657. The reversal of 1087635 is 5367801.

It is not a de Polignac number, because 1087635 - 2² = 1087631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705 + ... + 1634.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2^1087635 is an apocalyptic number.

1087635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1087635 is a deficient number, since it is larger than the sum of its proper divisors (709485).

1087635 is a wasteful number, since it uses less digits than its factorization.

1087635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1087635 is about 1042.8974062677. The cubic root of 1087635 is about 102.8397608965.

The spelling of 1087635 in words is "one million, eighty-seven thousand, six hundred thirty-five".