1183338241 has 4 divisors (see below), whose sum is σ = 1183417684. Its totient is φ = 1183258800.

The previous prime is 1183338239. The next prime is 1183338257. The reversal of 1183338241 is 1428333811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 341177841 + 842160400 = 18471^2 + 29020^2 .

It is a 3-Lehmer number, since φ(1183338241) divides (1183338241-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1183338241 - 2¹ = 1183338239 is a prime.

It is a super-2 number, since 2×1183338241² = 2800578785225948162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1183338197 and 1183338206.

It is not an unprimeable number, because it can be changed into a prime (1183338271) 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 3 ways as a sum of consecutive naturals, for example, 9930 + ... + 49651.

It is an arithmetic number, because the mean of its divisors is an integer number (295854421).

It is a Poulet number, since it divides 2^1183338240-1.

Almost surely, 2^1183338241 is an apocalyptic number.

1183338241 is the 19861-st octagonal number.

It is an amenable number.

1183338241 is a deficient number, since it is larger than the sum of its proper divisors (79443).

1183338241 is an equidigital number, since it uses as much as digits as its factorization.

1183338241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79442.

The product of its digits is 13824, while the sum is 34.

The square root of 1183338241 is about 34399.6837340113. The cubic root of 1183338241 is about 1057.7173619633.

The spelling of 1183338241 in words is "one billion, one hundred eighty-three million, three hundred thirty-eight thousand, two hundred forty-one".