1085831941 has 2 divisors, whose sum is σ = 1085831942. Its totient is φ = 1085831940.

The previous prime is 1085831927. The next prime is 1085831963. The reversal of 1085831941 is 1491385801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084319041 + 1512900 = 32929^2 + 1230^2 .

It is an emirp because it is prime and its reverse (1491385801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1085831941 - 2¹³ = 1085823749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1085831894 and 1085831903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085831641) 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 as a sum of consecutive naturals, namely, 542915970 + 542915971.

It is an arithmetic number, because the mean of its divisors is an integer number (542915971).

Almost surely, 2^1085831941 is an apocalyptic number.

It is an amenable number.

1085831941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085831941 is an equidigital number, since it uses as much as digits as its factorization.

1085831941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1085831941 is about 32951.9641447972. The cubic root of 1085831941 is about 1027.8290091559.

The spelling of 1085831941 in words is "one billion, eighty-five million, eight hundred thirty-one thousand, nine hundred forty-one".