Search a number
-
+
127152149 is a prime number
BaseRepresentation
bin1111001010000…
…11000000010101
322212020222221212
413211003000111
5230022332044
620341151205
73102526655
oct745030025
9285228855
10127152149
1165857323
12366bb505
132045c477
1412c5c365
15b269a9e
hex7943015

127152149 has 2 divisors, whose sum is σ = 127152150. Its totient is φ = 127152148.

The previous prime is 127152143. The next prime is 127152191. The reversal of 127152149 is 941251721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84511249 + 42640900 = 9193^2 + 6530^2 .

It is a cyclic number.

It is not a de Polignac number, because 127152149 - 212 = 127148053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127152143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63576074 + 63576075.

It is an arithmetic number, because the mean of its divisors is an integer number (63576075).

Almost surely, 2127152149 is an apocalyptic number.

It is an amenable number.

127152149 is a deficient number, since it is larger than the sum of its proper divisors (1).

127152149 is an equidigital number, since it uses as much as digits as its factorization.

127152149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 127152149 is about 11276.1761692517. The cubic root of 127152149 is about 502.8532193089.

The spelling of 127152149 in words is "one hundred twenty-seven million, one hundred fifty-two thousand, one hundred forty-nine".