1180109 has 12 divisors (see below), whose sum is σ = 1426464. Its totient is φ = 956232.

The previous prime is 1180099. The next prime is 1180111. The reversal of 1180109 is 9010811.

It is not a de Polignac number, because 1180109 - 2⁴ = 1180093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2294 + ... + 2760.

It is an arithmetic number, because the mean of its divisors is an integer number (118872).

2^1180109 is an apocalyptic number.

1180109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1180109 is a deficient number, since it is larger than the sum of its proper divisors (246355).

1180109 is an equidigital number, since it uses as much as digits as its factorization.

1180109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 1180109 is about 1086.3282192781. The cubic root of 1180109 is about 105.6754341736.

The spelling of 1180109 in words is "one million, one hundred eighty thousand, one hundred nine".