1180867 has 4 divisors (see below), whose sum is σ = 1184976. Its totient is φ = 1176760.

The previous prime is 1180859. The next prime is 1180873. The reversal of 1180867 is 7680811.

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

It is a cyclic number.

It is not a de Polignac number, because 1180867 - 2³ = 1180859 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180807) 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, 1588 + ... + 2209.

It is an arithmetic number, because the mean of its divisors is an integer number (296244).

2^1180867 is an apocalyptic number.

1180867 is a deficient number, since it is larger than the sum of its proper divisors (4109).

1180867 is an equidigital number, since it uses as much as digits as its factorization.

1180867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1180867 is about 1086.6770449402. The cubic root of 1180867 is about 105.6980549188.

The spelling of 1180867 in words is "one million, one hundred eighty thousand, eight hundred sixty-seven".