127968253 has 6 divisors (see below), whose sum is σ = 148861086. Its totient is φ = 109687032.

The previous prime is 127968233. The next prime is 127968283. The reversal of 127968253 is 352869721.

It can be written as a sum of positive squares in only one way, i.e., 94536729 + 33431524 = 9723^2 + 5782^2 .

It is not a de Polignac number, because 127968253 - 2⁵ = 127968221 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 (127968223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1305750 + ... + 1305847.

It is an arithmetic number, because the mean of its divisors is an integer number (24810181).

Almost surely, 2^127968253 is an apocalyptic number.

It is an amenable number.

127968253 is a deficient number, since it is larger than the sum of its proper divisors (20892833).

127968253 is an equidigital number, since it uses as much as digits as its factorization.

127968253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611611 (or 2611604 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 127968253 is about 11312.3053795413. The cubic root of 127968253 is about 503.9267511862.

The spelling of 127968253 in words is "one hundred twenty-seven million, nine hundred sixty-eight thousand, two hundred fifty-three".