1180489 has 4 divisors (see below), whose sum is σ = 1242640. Its totient is φ = 1118340.

The previous prime is 1180477. The next prime is 1180493. The reversal of 1180489 is 9840811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1180489 - 2⁹ = 1179977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1180489.

It is not an unprimeable number, because it can be changed into a prime (1180409) by changing a digit.

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, 31047 + ... + 31084.

It is an arithmetic number, because the mean of its divisors is an integer number (310660).

2^1180489 is an apocalyptic number.

1180489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1180489 is a deficient number, since it is larger than the sum of its proper divisors (62151).

1180489 is an equidigital number, since it uses as much as digits as its factorization.

1180489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62150.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1180489 is about 1086.5031063002. The cubic root of 1180489 is about 105.6867755993.

The spelling of 1180489 in words is "one million, one hundred eighty thousand, four hundred eighty-nine".