1142012 has 12 divisors (see below), whose sum is σ = 2026416.
Its totient is φ = 563040.
The previous prime is 1142003. The next prime is 1142017. The reversal of 1142012 is 2102411.
Adding to 1142012 its reverse (2102411), we get a palindrome (3244423).
It is a junction number, because it is equal to n+sod(n) for n = 1141984 and 1142002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664 + ... + 2247.
It is an arithmetic number, because the mean of its divisors is an integer number (168868).
21142012 is an apocalyptic number.
It is an amenable number.
1142012 is a deficient number, since it is larger than the sum of its proper divisors (884404).
1142012 is a wasteful number, since it uses less digits than its factorization.
1142012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3988 (or 3986 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 1142012 is about 1068.6496151686.
The cubic root of 1142012 is about 104.5258133922.
The spelling of 1142012 in words is "one million, one hundred forty-two thousand, twelve".