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1268461 is a prime number
BaseRepresentation
bin100110101101011101101
32101110000001
410311223231
5311042321
643104301
713532065
oct4655355
92343001
101268461
11797017
12512091
1335548c
142503a5
151a0c91
hex135aed

1268461 has 2 divisors, whose sum is σ = 1268462. Its totient is φ = 1268460.

The previous prime is 1268453. The next prime is 1268467. The reversal of 1268461 is 1648621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 799236 + 469225 = 894^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1268461 - 23 = 1268453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1268467) 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, 634230 + 634231.

It is an arithmetic number, because the mean of its divisors is an integer number (634231).

21268461 is an apocalyptic number.

It is an amenable number.

1268461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268461 is an equidigital number, since it uses as much as digits as its factorization.

1268461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 28.

The square root of 1268461 is about 1126.2597391366. The cubic root of 1268461 is about 108.2494519651.

The spelling of 1268461 in words is "one million, two hundred sixty-eight thousand, four hundred sixty-one".