1311064 has 8 divisors (see below), whose sum is σ = 2458260. Its totient is φ = 655528.
The previous prime is 1311053. The next prime is 1311067. The reversal of 1311064 is 4601131.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81934 + ... + 81949.
21311064 is an apocalyptic number.
It is an amenable number.
1311064 is a deficient number, since it is larger than the sum of its proper divisors (1147196).
1311064 is a wasteful number, since it uses less digits than its factorization.
1311064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163889 (or 163885 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1311064 is about 1145.0170304410. The cubic root of 1311064 is about 109.4480338339.
Adding to 1311064 its reverse (4601131), we get a palindrome (5912195).
The spelling of 1311064 in words is "one million, three hundred eleven thousand, sixty-four".
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