127481447 has 2 divisors, whose sum is σ = 127481448. Its totient is φ = 127481446.

The previous prime is 127481441. The next prime is 127481461. The reversal of 127481447 is 744184721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127481447 - 2⁶ = 127481383 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127481447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127481441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63740723 + 63740724.

It is an arithmetic number, because the mean of its divisors is an integer number (63740724).

Almost surely, 2^127481447 is an apocalyptic number.

127481447 is a deficient number, since it is larger than the sum of its proper divisors (1).

127481447 is an equidigital number, since it uses as much as digits as its factorization.

127481447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 127481447 is about 11290.7682200991. The cubic root of 127481447 is about 503.2869406924.

The spelling of 127481447 in words is "one hundred twenty-seven million, four hundred eighty-one thousand, four hundred forty-seven".