1185085 has 16 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 831040.

The previous prime is 1185077. The next prime is 1185089. The reversal of 1185085 is 5805811.

1185085 = T₆₈₆ + T₆₈₇ + ... + T₆₉₀.

It is not a de Polignac number, because 1185085 - 2³ = 1185077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185089) 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, 1224 + ... + 1966.

It is an arithmetic number, because the mean of its divisors is an integer number (100440).

2^1185085 is an apocalyptic number.

It is an amenable number.

1185085 is a deficient number, since it is larger than the sum of its proper divisors (421955).

1185085 is a wasteful number, since it uses less digits than its factorization.

1185085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 1185085 is about 1088.6160939468. The cubic root of 1185085 is about 105.8237548251.

It can be divided in two parts, 11850 and 85, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 1185085 in words is "one million, one hundred eighty-five thousand, eighty-five".