1171061 has 2 divisors, whose sum is σ = 1171062. Its totient is φ = 1171060.

The previous prime is 1171057. The next prime is 1171069. The reversal of 1171061 is 1601711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1168561 + 2500 = 1081^2 + 50^2 .

It is an emirp because it is prime and its reverse (1601711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1171061 - 2² = 1171057 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171069) 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, 585530 + 585531.

It is an arithmetic number, because the mean of its divisors is an integer number (585531).

2^1171061 is an apocalyptic number.

It is an amenable number.

1171061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171061 is an equidigital number, since it uses as much as digits as its factorization.

1171061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 1171061 is about 1082.1557189240. The cubic root of 1171061 is about 105.4046666929.

Adding to 1171061 its reverse (1601711), we get a palindrome (2772772).

The spelling of 1171061 in words is "one million, one hundred seventy-one thousand, sixty-one".