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127020853 is a prime number
BaseRepresentation
bin1111001001000…
…10111100110101
322212000022212001
413210202330311
5230004131403
620334255301
73101442121
oct744427465
9285008761
10127020853
1165777713
1236657531
132041478b
1412c26581
15b240c1d
hex7922f35

127020853 has 2 divisors, whose sum is σ = 127020854. Its totient is φ = 127020852.

The previous prime is 127020851. The next prime is 127020863. The reversal of 127020853 is 358020721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86545809 + 40475044 = 9303^2 + 6362^2 .

It is an emirp because it is prime and its reverse (358020721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127020853 - 21 = 127020851 is a prime.

It is a super-2 number, since 2×1270208532 = 32268594193695218, which contains 22 as substring.

Together with 127020851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127020851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63510426 + 63510427.

It is an arithmetic number, because the mean of its divisors is an integer number (63510427).

Almost surely, 2127020853 is an apocalyptic number.

It is an amenable number.

127020853 is a deficient number, since it is larger than the sum of its proper divisors (1).

127020853 is an equidigital number, since it uses as much as digits as its factorization.

127020853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 127020853 is about 11270.3528338735. The cubic root of 127020853 is about 502.6800793486.

The spelling of 127020853 in words is "one hundred twenty-seven million, twenty thousand, eight hundred fifty-three".