127757041045 has 4 divisors (see below), whose sum is σ = 153308449260. Its totient is φ = 102205632832.

The previous prime is 127757041021. The next prime is 127757041051. The reversal of 127757041045 is 540140757721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50028716241 + 77728324804 = 223671^2 + 278798^2 .

It is a cyclic number.

It is not a de Polignac number, because 127757041045 - 2¹⁵ = 127757008277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127757040992 and 127757041010.

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, 12775704100 + ... + 12775704109.

It is an arithmetic number, because the mean of its divisors is an integer number (38327112315).

Almost surely, 2^127757041045 is an apocalyptic number.

It is an amenable number.

127757041045 is a deficient number, since it is larger than the sum of its proper divisors (25551408215).

127757041045 is an equidigital number, since it uses as much as digits as its factorization.

127757041045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25551408214.

The product of its (nonzero) digits is 274400, while the sum is 43.

Adding to 127757041045 its reverse (540140757721), we get a palindrome (667897798766).

The spelling of 127757041045 in words is "one hundred twenty-seven billion, seven hundred fifty-seven million, forty-one thousand, forty-five".