1087305 has 16 divisors (see below), whose sum is σ = 1753920. Its totient is φ = 575168.

The previous prime is 1087301. The next prime is 1087309. The reversal of 1087305 is 5037801.

It is an interprime number because it is at equal distance from previous prime (1087301) and next prime (1087309).

It is a cyclic number.

It is not a de Polignac number, because 1087305 - 2² = 1087301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1087301) 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, 2386 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

2^1087305 is an apocalyptic number.

1087305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1087305 is a deficient number, since it is larger than the sum of its proper divisors (666615).

1087305 is a wasteful number, since it uses less digits than its factorization.

1087305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 1087305 is about 1042.7391811954. The cubic root of 1087305 is about 102.8293589529.

The spelling of 1087305 in words is "one million, eighty-seven thousand, three hundred five".