1142017 has 2 divisors, whose sum is σ = 1142018.
Its totient is φ = 1142016.
The previous prime is 1142003. The next prime is 1142021. The reversal of 1142017 is 7102411.
Adding to 1142017 its reverse (7102411), we get a palindrome (8244428).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1100401 + 41616 = 1049^2 + 204^2
It is an emirp because it is prime and its reverse (7102411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1142017 - 215 = 1109249 is a prime.
It is not a weakly prime, because it can be changed into another prime (1142917) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571008 + 571009.
It is an arithmetic number, because the mean of its divisors is an integer number (571009).
21142017 is an apocalyptic number.
It is an amenable number.
1142017 is a deficient number, since it is larger than the sum of its proper divisors (1).
1142017 is an equidigital number, since it uses as much as digits as its factorization.
1142017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 56, while the sum is 16.
The square root of 1142017 is about 1068.6519545671.
The cubic root of 1142017 is about 104.5259659382.
The spelling of 1142017 in words is "one million, one hundred forty-two thousand, seventeen".