1141181687 has 8 divisors (see below), whose sum is σ = 1168248576. Its totient is φ = 1114138872.

The previous prime is 1141181683. The next prime is 1141181693. The reversal of 1141181687 is 7861811411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1141181687 - 2² = 1141181683 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 1141181687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141181683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121328 + ... + 130394.

It is an arithmetic number, because the mean of its divisors is an integer number (146031072).

Almost surely, 2^1141181687 is an apocalyptic number.

1141181687 is a deficient number, since it is larger than the sum of its proper divisors (27066889).

1141181687 is an equidigital number, since it uses as much as digits as its factorization.

1141181687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12037.

The product of its digits is 10752, while the sum is 38.

The square root of 1141181687 is about 33781.3807740299. The cubic root of 1141181687 is about 1045.0047501749.

The spelling of 1141181687 in words is "one billion, one hundred forty-one million, one hundred eighty-one thousand, six hundred eighty-seven".