1171201 has 2 divisors, whose sum is σ = 1171202.
Its totient is φ = 1171200.
The previous prime is 1171199. The next prime is 1171207. The reversal of 1171201 is 1021711.
Adding to 1171201 its product of nonzero digits (14), we get a triangular number (1171215 = T1530).
Adding to 1171201 its reverse (1021711), we get a palindrome (2192912).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 810000 + 361201 = 900^2 + 601^2
It is an emirp because it is prime and its reverse (1021711) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1171201 - 21 = 1171199 is a prime.
Together with 1171199, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1171207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585600 + 585601.
It is an arithmetic number, because the mean of its divisors is an integer number (585601).
21171201 is an apocalyptic number.
It is an amenable number.
1171201 is a deficient number, since it is larger than the sum of its proper divisors (1).
1171201 is an equidigital number, since it uses as much as digits as its factorization.
1171201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14, while the sum is 13.
The square root of 1171201 is about 1082.2204026907.
The cubic root of 1171201 is about 105.4088668912.
The spelling of 1171201 in words is "one million, one hundred seventy-one thousand, two hundred one".