1141881847 has 2 divisors, whose sum is σ = 1141881848. Its totient is φ = 1141881846.

The previous prime is 1141881833. The next prime is 1141881863. The reversal of 1141881847 is 7481881411.

It is a weak prime.

It is an emirp because it is prime and its reverse (7481881411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1141881847 - 2¹⁹ = 1141357559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141881877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570940923 + 570940924.

It is an arithmetic number, because the mean of its divisors is an integer number (570940924).

Almost surely, 2^1141881847 is an apocalyptic number.

1141881847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141881847 is an equidigital number, since it uses as much as digits as its factorization.

1141881847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 43.

The square root of 1141881847 is about 33791.7422900921. The cubic root of 1141881847 is about 1045.2184236997.

The spelling of 1141881847 in words is "one billion, one hundred forty-one million, eight hundred eighty-one thousand, eight hundred forty-seven".