127446149 has 2 divisors, whose sum is σ = 127446150. Its totient is φ = 127446148.

The previous prime is 127446139. The next prime is 127446173. The reversal of 127446149 is 941644721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81450625 + 45995524 = 9025^2 + 6782^2 .

It is an emirp because it is prime and its reverse (941644721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127446149 - 2⁴ = 127446133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127446139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63723074 + 63723075.

It is an arithmetic number, because the mean of its divisors is an integer number (63723075).

Almost surely, 2^127446149 is an apocalyptic number.

It is an amenable number.

127446149 is a deficient number, since it is larger than the sum of its proper divisors (1).

127446149 is an equidigital number, since it uses as much as digits as its factorization.

127446149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 127446149 is about 11289.2049764366. The cubic root of 127446149 is about 503.2404851421.

The spelling of 127446149 in words is "one hundred twenty-seven million, four hundred forty-six thousand, one hundred forty-nine".