1142104 has 16 divisors (see below), whose sum is σ = 2152800.
Its totient is φ = 568032.
The previous prime is 1142083. The next prime is 1142129. The reversal of 1142104 is 4012411.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742 + ... + 3130.
It is an arithmetic number, because the mean of its divisors is an integer number (134550).
21142104 is an apocalyptic number.
It is an amenable number.
1142104 is a deficient number, since it is larger than the sum of its proper divisors (1010696).
1142104 is a wasteful number, since it uses less digits than its factorization.
1142104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762 (or 758 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1142104 is about 1068.6926592805.
The cubic root of 1142104 is about 104.5286201685.
Adding to 1142104 its reverse (4012411), we get a palindrome (5154515).
The spelling of 1142104 in words is "one million, one hundred forty-two thousand, one hundred four".