1351241 has 2 divisors, whose sum is σ = 1351242. Its totient is φ = 1351240.
The previous prime is 1351213. The next prime is 1351243. The reversal of 1351241 is 1421531.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 855625 + 495616 = 925^2 + 704^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1351241 is a prime.
Together with 1351243, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1351243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675620 + 675621.
It is an arithmetic number, because the mean of its divisors is an integer number (675621).
21351241 is an apocalyptic number.
It is an amenable number.
1351241 is a deficient number, since it is larger than the sum of its proper divisors (1).
1351241 is an equidigital number, since it uses as much as digits as its factorization.
1351241 is an evil number, because the sum of its binary digits is even.
The product of its digits is 120, while the sum is 17.
The square root of 1351241 is about 1162.4289225583. The cubic root of 1351241 is about 110.5548003880.
Adding to 1351241 its reverse (1421531), we get a palindrome (2772772).
The spelling of 1351241 in words is "one million, three hundred fifty-one thousand, two hundred forty-one".
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