1171057 has 2 divisors, whose sum is σ = 1171058. Its totient is φ = 1171056.

The previous prime is 1171039. The next prime is 1171061. The reversal of 1171057 is 7501711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998001 + 173056 = 999^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171057 - 2¹¹ = 1169009 is a prime.

It is a Chen prime.

1171057 is a lucky number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1171957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585528 + 585529.

It is an arithmetic number, because the mean of its divisors is an integer number (585529).

2^1171057 is an apocalyptic number.

It is an amenable number.

1171057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171057 is an equidigital number, since it uses as much as digits as its factorization.

1171057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245, while the sum is 22.

The square root of 1171057 is about 1082.1538707596. The cubic root of 1171057 is about 105.4045466823.

Adding to 1171057 its reverse (7501711), we get a palindrome (8672768).

The spelling of 1171057 in words is "one million, one hundred seventy-one thousand, fifty-seven".