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1361279 is a prime number
BaseRepresentation
bin101001100010101111111
32120011022202
411030111333
5322030104
645102115
714366513
oct5142577
92504282
101361279
1184a827
1255793b
133887ba
14276143
151bd51e
hex14c57f

1361279 has 2 divisors, whose sum is σ = 1361280. Its totient is φ = 1361278.

The previous prime is 1361273. The next prime is 1361287. The reversal of 1361279 is 9721631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1361279 - 28 = 1361023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680639 + 680640.

It is an arithmetic number, because the mean of its divisors is an integer number (680640).

21361279 is an apocalyptic number.

1361279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361279 is an equidigital number, since it uses as much as digits as its factorization.

1361279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 1361279 is about 1166.7386168290. The cubic root of 1361279 is about 110.8278857380.

The spelling of 1361279 in words is "one million, three hundred sixty-one thousand, two hundred seventy-nine".