1162081 has 2 divisors, whose sum is σ = 1162082. Its totient is φ = 1162080.

The previous prime is 1162079. The next prime is 1162093. The reversal of 1162081 is 1802611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083681 + 78400 = 1041^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162081 - 2¹ = 1162079 is a prime.

It is a super-2 number, since 2×1162081² = 2700864501122, which contains 22 as substring.

Together with 1162079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1162061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581040 + 581041.

It is an arithmetic number, because the mean of its divisors is an integer number (581041).

2^1162081 is an apocalyptic number.

It is an amenable number.

1162081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162081 is an equidigital number, since it uses as much as digits as its factorization.

1162081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1162081 is about 1077.9986085334. The cubic root of 1162081 is about 105.1345516179.

Adding to 1162081 its reverse (1802611), we get a palindrome (2964692).

It can be divided in two parts, 116 and 2081, that added together give a cube (2197 = 13³).

The spelling of 1162081 in words is "one million, one hundred sixty-two thousand, eighty-one".