1182887 has 4 divisors (see below), whose sum is σ = 1210440. Its totient is φ = 1155336.

The previous prime is 1182869. The next prime is 1182889. The reversal of 1182887 is 7882811.

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 1182887 - 2¹⁸ = 920743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1182889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13712 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (302610).

2^1182887 is an apocalyptic number.

1182887 is a deficient number, since it is larger than the sum of its proper divisors (27553).

1182887 is an equidigital number, since it uses as much as digits as its factorization.

1182887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27552.

The product of its digits is 7168, while the sum is 35.

The square root of 1182887 is about 1087.6060867796. The cubic root of 1182887 is about 105.7582898825.

The spelling of 1182887 in words is "one million, one hundred eighty-two thousand, eight hundred eighty-seven".