120043024100261 has 2 divisors, whose sum is σ = 120043024100262. Its totient is φ = 120043024100260.

The previous prime is 120043024100143. The next prime is 120043024100273. The reversal of 120043024100261 is 162001420340021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89939256944161 + 30103767156100 = 9483631^2 + 5486690^2 .

It is a cyclic number.

It is not a de Polignac number, because 120043024100261 - 2²² = 120043019905957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120043024100261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120043024100291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60021512050130 + 60021512050131.

It is an arithmetic number, because the mean of its divisors is an integer number (60021512050131).

Almost surely, 2^{120043024100261} is an apocalyptic number.

It is an amenable number.

120043024100261 is a deficient number, since it is larger than the sum of its proper divisors (1).

120043024100261 is an equidigital number, since it uses as much as digits as its factorization.

120043024100261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 120043024100261 its reverse (162001420340021), we get a palindrome (282044444440282).

The spelling of 120043024100261 in words is "one hundred twenty trillion, forty-three billion, twenty-four million, one hundred thousand, two hundred sixty-one".