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BaseRepresentation
bin11111000101000001
320110121201
4133011001
513033142
62421201
71040062
oct370501
9213551
10127297
1187705
1261801
1345c31
1434569
1527ab7
hex1f141

127297 has 2 divisors, whose sum is σ = 127298. Its totient is φ = 127296.

The previous prime is 127291. The next prime is 127301. The reversal of 127297 is 792721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123201 + 4096 = 351^2 + 64^2 .

It is a cyclic number.

It is not a de Polignac number, because 127297 - 23 = 127289 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (127291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63648 + 63649.

It is an arithmetic number, because the mean of its divisors is an integer number (63649).

2127297 is an apocalyptic number.

It is an amenable number.

127297 is a deficient number, since it is larger than the sum of its proper divisors (1).

127297 is an equidigital number, since it uses as much as digits as its factorization.

127297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764, while the sum is 28.

The square root of 127297 is about 356.7870513345. The cubic root of 127297 is about 50.3044096015.

It can be divided in two parts, 1272 and 97, that added together give a square (1369 = 372).

The spelling of 127297 in words is "one hundred twenty-seven thousand, two hundred ninety-seven".