1172085 has 8 divisors (see below), whose sum is σ = 1875360. Its totient is φ = 625104.

The previous prime is 1172081. The next prime is 1172107. The reversal of 1172085 is 5802711.

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

It is not a de Polignac number, because 1172085 - 2² = 1172081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39055 + ... + 39084.

It is an arithmetic number, because the mean of its divisors is an integer number (234420).

2^1172085 is an apocalyptic number.

1172085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1172085 is a deficient number, since it is larger than the sum of its proper divisors (703275).

1172085 is an equidigital number, since it uses as much as digits as its factorization.

1172085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78147.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1172085 is about 1082.6287452308. The cubic root of 1172085 is about 105.4353804171.

Adding to 1172085 its reverse (5802711), we get a palindrome (6974796).

The spelling of 1172085 in words is "one million, one hundred seventy-two thousand, eighty-five".