1142333 has 2 divisors, whose sum is σ = 1142334.
Its totient is φ = 1142332.
The previous prime is 1142321. The next prime is 1142353. The reversal of 1142333 is 3332411.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1138489 + 3844 = 1067^2 + 62^2
It is an emirp because it is prime and its reverse (3332411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1142333 - 26 = 1142269 is a prime.
It is a super-3 number, since 3×11423333 = 4471975583335920111, which contains 333 as substring.
It is an Ulam number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1142353) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571166 + 571167.
It is an arithmetic number, because the mean of its divisors is an integer number (571167).
21142333 is an apocalyptic number.
It is an amenable number.
1142333 is a deficient number, since it is larger than the sum of its proper divisors (1).
1142333 is an equidigital number, since it uses as much as digits as its factorization.
1142333 is an evil number, because the sum of its binary digits is even.
The product of its digits is 216, while the sum is 17.
The square root of 1142333 is about 1068.7997941617.
The cubic root of 1142333 is about 104.5356059463.
Subtracting from 1142333 its sum of digits (17), we obtain a triangular number (1142316 = T1511).
Adding to 1142333 its reverse (3332411), we get a palindrome (4474744).
The spelling of 1142333 in words is "one million, one hundred forty-two thousand, three hundred thirty-three".