120194425861 has 2 divisors, whose sum is σ = 120194425862. Its totient is φ = 120194425860.

The previous prime is 120194425853. The next prime is 120194425873. The reversal of 120194425861 is 168524491021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115868075236 + 4326350625 = 340394^2 + 65775^2 .

It is a cyclic number.

It is not a de Polignac number, because 120194425861 - 2³ = 120194425853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120194425811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60097212930 + 60097212931.

It is an arithmetic number, because the mean of its divisors is an integer number (60097212931).

Almost surely, 2^120194425861 is an apocalyptic number.

It is an amenable number.

120194425861 is a deficient number, since it is larger than the sum of its proper divisors (1).

120194425861 is an equidigital number, since it uses as much as digits as its factorization.

120194425861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 120194425861 in words is "one hundred twenty billion, one hundred ninety-four million, four hundred twenty-five thousand, eight hundred sixty-one".