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1047197 is a prime number
BaseRepresentation
bin11111111101010011101
31222012111002
43333222131
5232002242
634240045
711621024
oct3775235
91865432
101047197
11655858
12426025
132a8858
141d38bb
1515a432
hexffa9d

1047197 has 2 divisors, whose sum is σ = 1047198. Its totient is φ = 1047196.

The previous prime is 1047173. The next prime is 1047199. The reversal of 1047197 is 7917401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038361 + 8836 = 1019^2 + 94^2 .

It is an emirp because it is prime and its reverse (7917401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047197 - 26 = 1047133 is a prime.

Together with 1047199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523598 + 523599.

It is an arithmetic number, because the mean of its divisors is an integer number (523599).

21047197 is an apocalyptic number.

It is an amenable number.

1047197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047197 is an equidigital number, since it uses as much as digits as its factorization.

1047197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1047197 is about 1023.3264386304. The cubic root of 1047197 is about 101.5491119394.

The spelling of 1047197 in words is "one million, forty-seven thousand, one hundred ninety-seven".