1185216 has 28 divisors (see below), whose sum is σ = 3136392. Its totient is φ = 395008.

The previous prime is 1185181. The next prime is 1185241. The reversal of 1185216 is 6125811.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2895 + ... + 3278.

It is an arithmetic number, because the mean of its divisors is an integer number (112014).

2^1185216 is an apocalyptic number.

1185216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1185216 is an abundant number, since it is smaller than the sum of its proper divisors (1951176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1185216 is an equidigital number, since it uses as much as digits as its factorization.

1185216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188 (or 6178 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 1185216 is about 1088.6762604190. The cubic root of 1185216 is about 105.8276539550.

The spelling of 1185216 in words is "one million, one hundred eighty-five thousand, two hundred sixteen".