1181882341 has 4 divisors (see below), whose sum is σ = 1189410412. Its totient is φ = 1174354272.

The previous prime is 1181882329. The next prime is 1181882357. The reversal of 1181882341 is 1432881811.

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 186732225 + 995150116 = 13665^2 + 31546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1181882341 - 2⁵ = 1181882309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1181882341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181882311) 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, 3763800 + ... + 3764113.

It is an arithmetic number, because the mean of its divisors is an integer number (297352603).

Almost surely, 2^1181882341 is an apocalyptic number.

It is an amenable number.

1181882341 is a deficient number, since it is larger than the sum of its proper divisors (7528071).

1181882341 is an equidigital number, since it uses as much as digits as its factorization.

1181882341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528070.

The product of its digits is 12288, while the sum is 37.

The square root of 1181882341 is about 34378.5156893081. The cubic root of 1181882341 is about 1057.2834024442.

The spelling of 1181882341 in words is "one billion, one hundred eighty-one million, eight hundred eighty-two thousand, three hundred forty-one".