120786361 has 2 divisors, whose sum is σ = 120786362. Its totient is φ = 120786360.

The previous prime is 120786359. The next prime is 120786371. The reversal of 120786361 is 163687021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119486761 + 1299600 = 10931^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 120786361 - 2¹ = 120786359 is a prime.

Together with 120786359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120786371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60393180 + 60393181.

It is an arithmetic number, because the mean of its divisors is an integer number (60393181).

Almost surely, 2^120786361 is an apocalyptic number.

It is an amenable number.

120786361 is a deficient number, since it is larger than the sum of its proper divisors (1).

120786361 is an equidigital number, since it uses as much as digits as its factorization.

120786361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120786361 is about 10990.2848461721. The cubic root of 120786361 is about 494.3174771954.

The spelling of 120786361 in words is "one hundred twenty million, seven hundred eighty-six thousand, three hundred sixty-one".