1031223 has 8 divisors (see below), whose sum is σ = 1381248. Its totient is φ = 684344.
The previous prime is 1031189. The next prime is 1031231. The reversal of 1031223 is 3221301.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1031223 - 212 = 1027127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1031199 and 1031208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031323) 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, 136 + ... + 1442.
It is an arithmetic number, because the mean of its divisors is an integer number (172656).
21031223 is an apocalyptic number.
1031223 is a deficient number, since it is larger than the sum of its proper divisors (350025).
1031223 is a wasteful number, since it uses less digits than its factorization.
1031223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1573.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 1031223 is about 1015.4915066115. The cubic root of 1031223 is about 101.0301187828.
Adding to 1031223 its reverse (3221301), we get a palindrome (4252524).
It can be divided in two parts, 103 and 1223, that added together give a triangular number (1326 = T51).
The spelling of 1031223 in words is "one million, thirty-one thousand, two hundred twenty-three".
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