127461312503 has 4 divisors (see below), whose sum is σ = 145670071440. Its totient is φ = 109252553568.

The previous prime is 127461312497. The next prime is 127461312523. The reversal of 127461312503 is 305213164721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127461312503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127461312523) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 9104379458 + ... + 9104379471.

It is an arithmetic number, because the mean of its divisors is an integer number (36417517860).

Almost surely, 2^127461312503 is an apocalyptic number.

127461312503 is a deficient number, since it is larger than the sum of its proper divisors (18208758937).

127461312503 is an equidigital number, since it uses as much as digits as its factorization.

127461312503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18208758936.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 127461312503 in words is "one hundred twenty-seven billion, four hundred sixty-one million, three hundred twelve thousand, five hundred three".