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127230073 is a prime number
BaseRepresentation
bin1111001010101…
…10000001111001
322212101221211221
413211112001321
5230032330243
620342552041
73103303105
oct745260171
9285357757
10127230073
11658aa923
1236738621
1320488a89
1412c7c905
15b282bed
hex7956079

127230073 has 2 divisors, whose sum is σ = 127230074. Its totient is φ = 127230072.

The previous prime is 127230071. The next prime is 127230097. The reversal of 127230073 is 370032721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94420089 + 32809984 = 9717^2 + 5728^2 .

It is a cyclic number.

It is not a de Polignac number, because 127230073 - 21 = 127230071 is a prime.

Together with 127230071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (127230071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63615036 + 63615037.

It is an arithmetic number, because the mean of its divisors is an integer number (63615037).

Almost surely, 2127230073 is an apocalyptic number.

It is an amenable number.

127230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

127230073 is an equidigital number, since it uses as much as digits as its factorization.

127230073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 127230073 is about 11279.6308893509. The cubic root of 127230073 is about 502.9559212890.

Adding to 127230073 its reverse (370032721), we get a palindrome (497262794).

The spelling of 127230073 in words is "one hundred twenty-seven million, two hundred thirty thousand, seventy-three".