1350189 has 20 divisors (see below), whose sum is σ = 2052160. Its totient is φ = 884520.
The previous prime is 1350187. The next prime is 1350203. The reversal of 1350189 is 9810531.
It is not a de Polignac number, because 1350189 - 21 = 1350187 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an Ulam number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1350187) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6294 + ... + 6504.
It is an arithmetic number, because the mean of its divisors is an integer number (102608).
21350189 is an apocalyptic number.
It is an amenable number.
1350189 is a deficient number, since it is larger than the sum of its proper divisors (701971).
1350189 is an equidigital number, since it uses as much as digits as its factorization.
1350189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302 (or 293 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 1350189 is about 1161.9763336661. The cubic root of 1350189 is about 110.5261023626.
The spelling of 1350189 in words is "one million, three hundred fifty thousand, one hundred eighty-nine".
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