1231180 has 12 divisors (see below), whose sum is σ = 2585520. Its totient is φ = 492464.

The previous prime is 1231177. The next prime is 1231193. The reversal of 1231180 is 811321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30760 + ... + 30799.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

2^1231180 is an apocalyptic number.

1231180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231180 is an abundant number, since it is smaller than the sum of its proper divisors (1354340).

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

1231180 is a wasteful number, since it uses less digits than its factorization.

1231180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61568 (or 61566 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1231180 is about 1109.5855081966. The cubic root of 1231180 is about 107.1783789098.

The spelling of 1231180 in words is "one million, two hundred thirty-one thousand, one hundred eighty".