120124320004261 has 2 divisors, whose sum is σ = 120124320004262. Its totient is φ = 120124320004260.

The previous prime is 120124320004237. The next prime is 120124320004343. The reversal of 120124320004261 is 162400023421021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116432084736900 + 3692235267361 = 10790370^2 + 1921519^2 .

It is a cyclic number.

It is not a de Polignac number, because 120124320004261 - 2³¹ = 120122172520613 is a prime.

It is a super-2 number, since 2×120124320004261² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120124320004861) 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 as a sum of consecutive naturals, namely, 60062160002130 + 60062160002131.

It is an arithmetic number, because the mean of its divisors is an integer number (60062160002131).

Almost surely, 2^{120124320004261} is an apocalyptic number.

It is an amenable number.

120124320004261 is a deficient number, since it is larger than the sum of its proper divisors (1).

120124320004261 is an equidigital number, since it uses as much as digits as its factorization.

120124320004261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 120124320004261 its reverse (162400023421021), we get a palindrome (282524343425282).

The spelling of 120124320004261 in words is "one hundred twenty trillion, one hundred twenty-four billion, three hundred twenty million, four thousand, two hundred sixty-one".