1181852 has 12 divisors (see below), whose sum is σ = 2363760. Its totient is φ = 506496.

The previous prime is 1181839. The next prime is 1181879. The reversal of 1181852 is 2581811.

1181852 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 21077 + ... + 21132.

It is an arithmetic number, because the mean of its divisors is an integer number (196980).

2^1181852 is an apocalyptic number.

It is an amenable number.

1181852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1181852 is a wasteful number, since it uses less digits than its factorization.

1181852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42220 (or 42218 counting only the distinct ones).

The product of its digits is 640, while the sum is 26.

The square root of 1181852 is about 1087.1301669993. The cubic root of 1181852 is about 105.7274354925.

The spelling of 1181852 in words is "one million, one hundred eighty-one thousand, eight hundred fifty-two".