127428527 has 2 divisors, whose sum is σ = 127428528. Its totient is φ = 127428526.

The previous prime is 127428473. The next prime is 127428529. The reversal of 127428527 is 725824721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127428527 - 2¹⁴ = 127412143 is a prime.

Together with 127428529, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127428529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63714263 + 63714264.

It is an arithmetic number, because the mean of its divisors is an integer number (63714264).

Almost surely, 2^127428527 is an apocalyptic number.

127428527 is a deficient number, since it is larger than the sum of its proper divisors (1).

127428527 is an equidigital number, since it uses as much as digits as its factorization.

127428527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62720, while the sum is 38.

The square root of 127428527 is about 11288.4244693403. The cubic root of 127428527 is about 503.2172896914.

The spelling of 127428527 in words is "one hundred twenty-seven million, four hundred twenty-eight thousand, five hundred twenty-seven".