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1260971 is a prime number
BaseRepresentation
bin100110011110110101011
32101001201122
410303312223
5310322341
643005455
713501205
oct4636653
92331648
101260971
11791428
1250988b
13351c4a
1424b775
1519d94b
hex133dab

1260971 has 2 divisors, whose sum is σ = 1260972. Its totient is φ = 1260970.

The previous prime is 1260911. The next prime is 1260979. The reversal of 1260971 is 1790621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1260971 is a prime.

It is equal to p97253 and since 1260971 and 97253 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1260971.

It is not a weakly prime, because it can be changed into another prime (1260979) 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, 630485 + 630486.

It is an arithmetic number, because the mean of its divisors is an integer number (630486).

21260971 is an apocalyptic number.

1260971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260971 is an equidigital number, since it uses as much as digits as its factorization.

1260971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1260971 is about 1122.9296505124. The cubic root of 1260971 is about 108.0359676727.

The spelling of 1260971 in words is "one million, two hundred sixty thousand, nine hundred seventy-one".