127455481 has 2 divisors, whose sum is σ = 127455482. Its totient is φ = 127455480.

The previous prime is 127455457. The next prime is 127455487. The reversal of 127455481 is 184554721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92160000 + 35295481 = 9600^2 + 5941^2 .

It is a cyclic number.

It is not a de Polignac number, because 127455481 - 2¹¹ = 127453433 is a prime.

It is a super-2 number, since 2×127455481² = 32489799273882722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127455481.

It is not a weakly prime, because it can be changed into another prime (127455487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63727740 + 63727741.

It is an arithmetic number, because the mean of its divisors is an integer number (63727741).

Almost surely, 2^127455481 is an apocalyptic number.

It is an amenable number.

127455481 is a deficient number, since it is larger than the sum of its proper divisors (1).

127455481 is an equidigital number, since it uses as much as digits as its factorization.

127455481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 37.

The square root of 127455481 is about 11289.6182840697. The cubic root of 127455481 is about 503.2527677823.

The spelling of 127455481 in words is "one hundred twenty-seven million, four hundred fifty-five thousand, four hundred eighty-one".