127752522740266 has 4 divisors (see below), whose sum is σ = 191628784110402. Its totient is φ = 63876261370132.

The previous prime is 127752522740237. The next prime is 127752522740303. The reversal of 127752522740266 is 662047225257721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 126897498884641 + 855023855625 = 11264879^2 + 924675^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 127752522740266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938130685065 + ... + 31938130685068.

Almost surely, 2^{127752522740266} is an apocalyptic number.

127752522740266 is a deficient number, since it is larger than the sum of its proper divisors (63876261370136).

127752522740266 is an equidigital number, since it uses as much as digits as its factorization.

127752522740266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63876261370135.

The product of its (nonzero) digits is 39513600, while the sum is 58.

Adding to 127752522740266 its reverse (662047225257721), we get a palindrome (789799747997987).

The spelling of 127752522740266 in words is "one hundred twenty-seven trillion, seven hundred fifty-two billion, five hundred twenty-two million, seven hundred forty thousand, two hundred sixty-six".