127728111253 has 8 divisors (see below), whose sum is σ = 135282934080. Its totient is φ = 120177888960.

The previous prime is 127728111233. The next prime is 127728111257. The reversal of 127728111253 is 352111827721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127728111253 - 2⁵ = 127728111221 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 (127728111257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092883 + ... + 1204096.

It is an arithmetic number, because the mean of its divisors is an integer number (16910366760).

Almost surely, 2^127728111253 is an apocalyptic number.

It is an amenable number.

127728111253 is a deficient number, since it is larger than the sum of its proper divisors (7554822827).

127728111253 is a wasteful number, since it uses less digits than its factorization.

127728111253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300267.

The product of its digits is 47040, while the sum is 40.

Adding to 127728111253 its reverse (352111827721), we get a palindrome (479839938974).

The spelling of 127728111253 in words is "one hundred twenty-seven billion, seven hundred twenty-eight million, one hundred eleven thousand, two hundred fifty-three".