127450399 has 2 divisors, whose sum is σ = 127450400. Its totient is φ = 127450398.

The previous prime is 127450397. The next prime is 127450471. The reversal of 127450399 is 993054721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127450399 - 2¹ = 127450397 is a prime.

Together with 127450397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127450397) 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, 63725199 + 63725200.

It is an arithmetic number, because the mean of its divisors is an integer number (63725200).

Almost surely, 2^127450399 is an apocalyptic number.

127450399 is a deficient number, since it is larger than the sum of its proper divisors (1).

127450399 is an equidigital number, since it uses as much as digits as its factorization.

127450399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 127450399 is about 11289.3932077858. The cubic root of 127450399 is about 503.2460790035.

The spelling of 127450399 in words is "one hundred twenty-seven million, four hundred fifty thousand, three hundred ninety-nine".