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127170493 is a prime number
BaseRepresentation
bin1111001010001…
…11011110111101
322212021221010021
413211013132331
5230023423433
620341412141
73102634312
oct745073675
9285257107
10127170493
116586a08a
123670a051
1320467918
1412c64d09
15b27022d
hex79477bd

127170493 has 2 divisors, whose sum is σ = 127170494. Its totient is φ = 127170492.

The previous prime is 127170469. The next prime is 127170503. The reversal of 127170493 is 394071721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97555129 + 29615364 = 9877^2 + 5442^2 .

It is a cyclic number.

It is not a de Polignac number, because 127170493 - 217 = 127039421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127170793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63585246 + 63585247.

It is an arithmetic number, because the mean of its divisors is an integer number (63585247).

Almost surely, 2127170493 is an apocalyptic number.

It is an amenable number.

127170493 is a deficient number, since it is larger than the sum of its proper divisors (1).

127170493 is an equidigital number, since it uses as much as digits as its factorization.

127170493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 127170493 is about 11276.9895362193. The cubic root of 127170493 is about 502.8774000404.

The spelling of 127170493 in words is "one hundred twenty-seven million, one hundred seventy thousand, four hundred ninety-three".