Search a number
-
+
127094549 is a prime number
BaseRepresentation
bin1111001001101…
…00111100010101
322212011001221112
413210310330111
5230014011144
620340024405
73102200021
oct744647425
9285131845
10127094549
116581801a
1236692105
132043c19a
1412c45381
15b25799e
hex7934f15

127094549 has 2 divisors, whose sum is σ = 127094550. Its totient is φ = 127094548.

The previous prime is 127094543. The next prime is 127094551. The reversal of 127094549 is 945490721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72556324 + 54538225 = 8518^2 + 7385^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-127094549 is a prime.

Together with 127094551, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127094543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63547274 + 63547275.

It is an arithmetic number, because the mean of its divisors is an integer number (63547275).

Almost surely, 2127094549 is an apocalyptic number.

It is an amenable number.

127094549 is a deficient number, since it is larger than the sum of its proper divisors (1).

127094549 is an equidigital number, since it uses as much as digits as its factorization.

127094549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 127094549 is about 11273.6218226442. The cubic root of 127094549 is about 502.7772769035. Note that the first 3 decimals are identical.

The spelling of 127094549 in words is "one hundred twenty-seven million, ninety-four thousand, five hundred forty-nine".