127530241 has 2 divisors, whose sum is σ = 127530242. Its totient is φ = 127530240.

The previous prime is 127530229. The next prime is 127530257. The reversal of 127530241 is 142035721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87890625 + 39639616 = 9375^2 + 6296^2 .

It is an emirp because it is prime and its reverse (142035721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127530241 - 2¹⁷ = 127399169 is a prime.

It is not a weakly prime, because it can be changed into another prime (127530341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63765120 + 63765121.

It is an arithmetic number, because the mean of its divisors is an integer number (63765121).

Almost surely, 2^127530241 is an apocalyptic number.

It is an amenable number.

127530241 is a deficient number, since it is larger than the sum of its proper divisors (1).

127530241 is an equidigital number, since it uses as much as digits as its factorization.

127530241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 127530241 is about 11292.9288052303. The cubic root of 127530241 is about 503.3511441538.

Adding to 127530241 its reverse (142035721), we get a palindrome (269565962).

The spelling of 127530241 in words is "one hundred twenty-seven million, five hundred thirty thousand, two hundred forty-one".