1160985 has 16 divisors (see below), whose sum is σ = 2123136. Its totient is φ = 530688.

The previous prime is 1160983. The next prime is 1160987. The reversal of 1160985 is 5890611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1160983) and next prime (1160987).

It is not a de Polignac number, because 1160985 - 2¹ = 1160983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160983) 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 15 ways as a sum of consecutive naturals, for example, 5424 + ... + 5633.

It is an arithmetic number, because the mean of its divisors is an integer number (132696).

2^1160985 is an apocalyptic number.

1160985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1160985 is a deficient number, since it is larger than the sum of its proper divisors (962151).

1160985 is a wasteful number, since it uses less digits than its factorization.

1160985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11072.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1160985 is about 1077.4901391660. The cubic root of 1160985 is about 105.1014891742.

It can be divided in two parts, 1160 and 985, that added together give a triangular number (2145 = T₆₅).

The spelling of 1160985 in words is "one million, one hundred sixty thousand, nine hundred eighty-five".