1180105 has 4 divisors (see below), whose sum is σ = 1416132. Its totient is φ = 944080.

The previous prime is 1180099. The next prime is 1180111. The reversal of 1180105 is 5010811.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1180099) and next prime (1180111).

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 952576 = 477^2 + 976^2 .

It is not a de Polignac number, because 1180105 - 2⁵ = 1180073 is a prime.

It is a super-2 number, since 2×1180105² = 2785295622050, which contains 22 as substring.

It is a Duffinian 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, 118006 + ... + 118015.

It is an arithmetic number, because the mean of its divisors is an integer number (354033).

2^1180105 is an apocalyptic number.

It is an amenable number.

1180105 is a deficient number, since it is larger than the sum of its proper divisors (236027).

1180105 is an equidigital number, since it uses as much as digits as its factorization.

1180105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236026.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1180105 is about 1086.3263782124. The cubic root of 1180105 is about 105.6753147772.

Adding to 1180105 its reverse (5010811), we get a palindrome (6190916).

The spelling of 1180105 in words is "one million, one hundred eighty thousand, one hundred five".