1183361 has 4 divisors (see below), whose sum is σ = 1187412. Its totient is φ = 1179312.

The previous prime is 1183349. The next prime is 1183381. The reversal of 1183361 is 1633811.

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

It can be written as a sum of positive squares in 2 ways, for example, as 309136 + 874225 = 556^2 + 935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1183361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1183381) 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, 1550 + ... + 2183.

It is an arithmetic number, because the mean of its divisors is an integer number (296853).

2^1183361 is an apocalyptic number.

It is an amenable number.

1183361 is a deficient number, since it is larger than the sum of its proper divisors (4051).

1183361 is an equidigital number, since it uses as much as digits as its factorization.

1183361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050.

The product of its digits is 432, while the sum is 23.

The square root of 1183361 is about 1087.8239747312. The cubic root of 1183361 is about 105.7724142903.

The spelling of 1183361 in words is "one million, one hundred eighty-three thousand, three hundred sixty-one".