1331248 has 10 divisors (see below), whose sum is σ = 2579324. Its totient is φ = 665616.
The previous prime is 1331243. The next prime is 1331249. The reversal of 1331248 is 8421331.
It is not an unprimeable number, because it can be changed into a prime (1331243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41586 + ... + 41617.
21331248 is an apocalyptic number.
It is an amenable number.
1331248 is a deficient number, since it is larger than the sum of its proper divisors (1248076).
1331248 is an equidigital number, since it uses as much as digits as its factorization.
1331248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83211 (or 83205 counting only the distinct ones).
The product of its digits is 576, while the sum is 22.
The square root of 1331248 is about 1153.7972092183. The cubic root of 1331248 is about 110.0068315316.
Adding to 1331248 its reverse (8421331), we get a palindrome (9752579).
The spelling of 1331248 in words is "one million, three hundred thirty-one thousand, two hundred forty-eight".
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