1161882 has 24 divisors (see below), whose sum is σ = 2666196. Its totient is φ = 364416.

The previous prime is 1161877. The next prime is 1161883. The reversal of 1161882 is 2881611.

It can be written as a sum of positive squares in 2 ways, for example, as 1121481 + 40401 = 1059^2 + 201^2 .

It is not an unprimeable number, because it can be changed into a prime (1161883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593 + ... + 2204.

2^1161882 is an apocalyptic number.

1161882 is an abundant number, since it is smaller than the sum of its proper divisors (1504314).

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

1161882 is a wasteful number, since it uses less digits than its factorization.

1161882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822 (or 3819 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

The square root of 1161882 is about 1077.9063039059. The cubic root of 1161882 is about 105.1285500367.

The spelling of 1161882 in words is "one million, one hundred sixty-one thousand, eight hundred eighty-two".