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1268479 is a prime number
BaseRepresentation
bin100110101101011111111
32101110000201
410311223333
5311042404
643104331
713532122
oct4655377
92343021
101268479
11797033
125120a7
133554a4
142503b9
151a0ca4
hex135aff

1268479 has 2 divisors, whose sum is σ = 1268480. Its totient is φ = 1268478.

The previous prime is 1268467. The next prime is 1268537. The reversal of 1268479 is 9748621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1268479 - 25 = 1268447 is a prime.

It is a Chen prime.

1268479 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634239 + 634240.

It is an arithmetic number, because the mean of its divisors is an integer number (634240).

21268479 is an apocalyptic number.

1268479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268479 is an equidigital number, since it uses as much as digits as its factorization.

1268479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 1268479 is about 1126.2677301601. The cubic root of 1268479 is about 108.2499639979.

The spelling of 1268479 in words is "one million, two hundred sixty-eight thousand, four hundred seventy-nine".