1083009181 has 2 divisors, whose sum is σ = 1083009182. Its totient is φ = 1083009180.

The previous prime is 1083009173. The next prime is 1083009199. The reversal of 1083009181 is 1819003801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 977125081 + 105884100 = 31259^2 + 10290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1083009181 - 2³ = 1083009173 is a prime.

It is a super-2 number, since 2×1083009181² = 2345817772260581522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1083009121) 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, 541504590 + 541504591.

It is an arithmetic number, because the mean of its divisors is an integer number (541504591).

Almost surely, 2^1083009181 is an apocalyptic number.

It is an amenable number.

1083009181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1083009181 is an equidigital number, since it uses as much as digits as its factorization.

1083009181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1083009181 is about 32909.1048343768. The cubic root of 1083009181 is about 1026.9375782769.

The spelling of 1083009181 in words is "one billion, eighty-three million, nine thousand, one hundred eighty-one".