1139163 has 4 divisors (see below), whose sum is σ = 1518888.
Its totient is φ = 759440.
The previous prime is 1139147. The next prime is 1139191. The reversal of 1139163 is 3619311.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1139163 - 24 = 1139147 is a prime.
It is a D-number.
It is not an unprimeable number, because it can be changed into a prime (1139123) 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 in 3 ways as a sum of consecutive naturals, for example, 189858 + ... + 189863.
It is an arithmetic number, because the mean of its divisors is an integer number (379722).
21139163 is an apocalyptic number.
1139163 is a deficient number, since it is larger than the sum of its proper divisors (379725).
1139163 is an equidigital number, since it uses as much as digits as its factorization.
1139163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 379724.
The product of its digits is 486, while the sum is 24.
The square root of 1139163 is about 1067.3157920691.
The cubic root of 1139163 is about 104.4388201371.
The spelling of 1139163 in words is "one million, one hundred thirty-nine thousand, one hundred sixty-three".