1185980 has 24 divisors (see below), whose sum is σ = 2622480. Its totient is φ = 449280.

The previous prime is 1185979. The next prime is 1185997. The reversal of 1185980 is 895811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (109270).

2^1185980 is an apocalyptic number.

1185980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1185980 is an abundant number, since it is smaller than the sum of its proper divisors (1436500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1185980 is a wasteful number, since it uses less digits than its factorization.

1185980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3147 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1185980 is about 1089.0270887356. The cubic root of 1185980 is about 105.8503881967.

The spelling of 1185980 in words is "one million, one hundred eighty-five thousand, nine hundred eighty".