It is a semiprime because it is the product of two primes.
It is a Duffinian number.
It is a congruent number.
Almost surely, 2127740041301797 is an apocalyptic number.
127740041301797 is the 6041288-th centered heptagonal number.
It is an amenable number.
127740041301797 is an equidigital number, since it uses as much as digits as its factorization.
127740041301797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 461155384038.
The spelling of 127740041301797 in words is "one hundred twenty-seven trillion, seven hundred forty billion, forty-one million, three hundred one thousand, seven hundred ninety-seven".