1142133 has 8 divisors (see below), whose sum is σ = 1572096.
Its totient is φ = 736800.
The previous prime is 1142131. The next prime is 1142159. The reversal of 1142133 is 3312411.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1142133 - 21 = 1142131 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048 + ... + 6233.
It is an arithmetic number, because the mean of its divisors is an integer number (196512).
21142133 is an apocalyptic number.
It is an amenable number.
1142133 is a deficient number, since it is larger than the sum of its proper divisors (429963).
1142133 is a wasteful number, since it uses less digits than its factorization.
1142133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12315.
The product of its digits is 72, while the sum is 15.
The square root of 1142133 is about 1068.7062271738.
The cubic root of 1142133 is about 104.5295048819.
Adding to 1142133 its reverse (3312411), we get a palindrome (4454544).
It can be divided in two parts, 1142 and 133, that added together give a triangular number (1275 = T50).
The spelling of 1142133 in words is "one million, one hundred forty-two thousand, one hundred thirty-three".