120042124289 has 2 divisors, whose sum is σ = 120042124290. Its totient is φ = 120042124288.

The previous prime is 120042124247. The next prime is 120042124403. The reversal of 120042124289 is 982421240021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111027571264 + 9014553025 = 333208^2 + 94945^2 .

It is a cyclic number.

It is not a de Polignac number, because 120042124289 - 2¹² = 120042120193 is a prime.

It is a super-2 number, since 2×120042124289² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120042124219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60021062144 + 60021062145.

It is an arithmetic number, because the mean of its divisors is an integer number (60021062145).

Almost surely, 2^120042124289 is an apocalyptic number.

It is an amenable number.

120042124289 is a deficient number, since it is larger than the sum of its proper divisors (1).

120042124289 is an equidigital number, since it uses as much as digits as its factorization.

120042124289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 120042124289 in words is "one hundred twenty billion, forty-two million, one hundred twenty-four thousand, two hundred eighty-nine".