127306211170106 has 4 divisors (see below), whose sum is σ = 190959316755162. Its totient is φ = 63653105585052.

The previous prime is 127306211170009. The next prime is 127306211170141. The reversal of 127306211170106 is 601071112603721.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 120098913871225 + 7207297298881 = 10958965^2 + 2684641^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 127306211170106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31826552792525 + ... + 31826552792528.

Almost surely, 2^{127306211170106} is an apocalyptic number.

127306211170106 is a deficient number, since it is larger than the sum of its proper divisors (63653105585056).

127306211170106 is an equidigital number, since it uses as much as digits as its factorization.

127306211170106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63653105585055.

The product of its (nonzero) digits is 21168, while the sum is 38.

Adding to 127306211170106 its reverse (601071112603721), we get a palindrome (728377323773827).

The spelling of 127306211170106 in words is "one hundred twenty-seven trillion, three hundred six billion, two hundred eleven million, one hundred seventy thousand, one hundred six".