126006360061 has 4 divisors (see below), whose sum is σ = 126926114652. Its totient is φ = 125086605472.

The previous prime is 126006360049. The next prime is 126006360079. The reversal of 126006360061 is 160063600621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160063600621 = 7411 ⋅21598111.

It can be written as a sum of positive squares in 2 ways, for example, as 43459323961 + 82547036100 = 208469^2 + 287310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126006360061 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 (126006366061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459877090 + ... + 459877363.

It is an arithmetic number, because the mean of its divisors is an integer number (31731528663).

Almost surely, 2^126006360061 is an apocalyptic number.

It is an amenable number.

126006360061 is a deficient number, since it is larger than the sum of its proper divisors (919754591).

126006360061 is an equidigital number, since it uses as much as digits as its factorization.

126006360061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919754590.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 126006360061 its reverse (160063600621), we get a palindrome (286069960682).

It can be divided in two parts, 1 and 26006360061, that added together give a palindrome (26006360062).

The spelling of 126006360061 in words is "one hundred twenty-six billion, six million, three hundred sixty thousand, sixty-one".