1320841 has 8 divisors (see below), whose sum is σ = 1365120. Its totient is φ = 1277328.
The previous prime is 1320811. The next prime is 1320859. The reversal of 1320841 is 1480231.
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 1320841 - 219 = 796553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1320811) 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, 7290 + ... + 7468.
It is an arithmetic number, because the mean of its divisors is an integer number (170640).
21320841 is an apocalyptic number.
It is an amenable number.
1320841 is a deficient number, since it is larger than the sum of its proper divisors (44279).
1320841 is a wasteful number, since it uses less digits than its factorization.
1320841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 383.
The product of its (nonzero) digits is 192, while the sum is 19.
The square root of 1320841 is about 1149.2784693015. The cubic root of 1320841 is about 109.7194226801.
The spelling of 1320841 in words is "one million, three hundred twenty thousand, eight hundred forty-one".
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