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127982201 is a prime number
BaseRepresentation
bin1111010000011…
…01101001111001
322220211011120112
413220031221321
5230230412301
620411034105
73112554644
oct750155171
9286734515
10127982201
1166273a16
1236a3b935
1320690219
1412dd6a5b
15b3809bb
hex7a0da79

127982201 has 2 divisors, whose sum is σ = 127982202. Its totient is φ = 127982200.

The previous prime is 127982059. The next prime is 127982207. The reversal of 127982201 is 102289721.

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., 86508601 + 41473600 = 9301^2 + 6440^2 .

It is a cyclic number.

It is not a de Polignac number, because 127982201 - 218 = 127720057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127982207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63991100 + 63991101.

It is an arithmetic number, because the mean of its divisors is an integer number (63991101).

Almost surely, 2127982201 is an apocalyptic number.

It is an amenable number.

127982201 is a deficient number, since it is larger than the sum of its proper divisors (1).

127982201 is an equidigital number, since it uses as much as digits as its factorization.

127982201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 127982201 is about 11312.9218595374. The cubic root of 127982201 is about 503.9450591514.

The spelling of 127982201 in words is "one hundred twenty-seven million, nine hundred eighty-two thousand, two hundred one".