1351428 has 24 divisors (see below), whose sum is σ = 3396288. Its totient is φ = 415776.
The previous prime is 1351423. The next prime is 1351439. The reversal of 1351428 is 8241531.
It is a junction number, because it is equal to n+sod(n) for n = 1351398 and 1351407.
It is not an unprimeable number, because it can be changed into a prime (1351421) 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, 4176 + ... + 4487.
It is an arithmetic number, because the mean of its divisors is an integer number (141512).
21351428 is an apocalyptic number.
It is an amenable number.
1351428 is an abundant number, since it is smaller than the sum of its proper divisors (2044860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1351428 is a wasteful number, since it uses less digits than its factorization.
1351428 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8683 (or 8681 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 1351428 is about 1162.5093548011. The cubic root of 1351428 is about 110.5599000937.
Adding to 1351428 its reverse (8241531), we get a palindrome (9592959).
The spelling of 1351428 in words is "one million, three hundred fifty-one thousand, four hundred twenty-eight".
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