1200585 has 8 divisors (see below), whose sum is σ = 1920960. Its totient is φ = 640304.

The previous prime is 1200583. The next prime is 1200607. The reversal of 1200585 is 5850021.

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 1200585 - 2¹ = 1200583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40005 + ... + 40034.

It is an arithmetic number, because the mean of its divisors is an integer number (240120).

2^1200585 is an apocalyptic number.

1200585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200585 is a deficient number, since it is larger than the sum of its proper divisors (720375).

1200585 is an equidigital number, since it uses as much as digits as its factorization.

1200585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80047.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1200585 is about 1095.7120972226. The cubic root of 1200585 is about 106.2831223147.

It can be divided in two parts, 12005 and 85, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 1200585 in words is "one million, two hundred thousand, five hundred eighty-five".