127525013045 has 4 divisors (see below), whose sum is σ = 153030015660. Its totient is φ = 102020010432.

The previous prime is 127525013039. The next prime is 127525013227. The reversal of 127525013045 is 540310525721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540310525721 = 563599 ⋅958679.

It can be written as a sum of positive squares in 2 ways, for example, as 95185824484 + 32339188561 = 308522^2 + 179831^2 .

It is a cyclic number.

It is not a de Polignac number, because 127525013045 - 2³⁴ = 110345143861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127525012996 and 127525013014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12752501300 + ... + 12752501309.

It is an arithmetic number, because the mean of its divisors is an integer number (38257503915).

Almost surely, 2^127525013045 is an apocalyptic number.

It is an amenable number.

127525013045 is a deficient number, since it is larger than the sum of its proper divisors (25505002615).

127525013045 is an equidigital number, since it uses as much as digits as its factorization.

127525013045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505002614.

The product of its (nonzero) digits is 42000, while the sum is 35.

Adding to 127525013045 its reverse (540310525721), we get a palindrome (667835538766).

The spelling of 127525013045 in words is "one hundred twenty-seven billion, five hundred twenty-five million, thirteen thousand, forty-five".