1086161 has 2 divisors, whose sum is σ = 1086162. Its totient is φ = 1086160.

The previous prime is 1086149. The next prime is 1086179. The reversal of 1086161 is 1616801.

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., 913936 + 172225 = 956^2 + 415^2 .

It is an emirp because it is prime and its reverse (1616801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086161 - 2¹⁰ = 1085137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₈₄₇₁₃ and since 1086161 and 84713 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1086101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543080 + 543081.

It is an arithmetic number, because the mean of its divisors is an integer number (543081).

2^1086161 is an apocalyptic number.

It is an amenable number.

1086161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086161 is an equidigital number, since it uses as much as digits as its factorization.

1086161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1086161 is about 1042.1904816299. The cubic root of 1086161 is about 102.7932825782.

The spelling of 1086161 in words is "one million, eighty-six thousand, one hundred sixty-one".