120378361 has 2 divisors, whose sum is σ = 120378362. Its totient is φ = 120378360.

The previous prime is 120378331. The next prime is 120378367. The reversal of 120378361 is 163873021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96904336 + 23474025 = 9844^2 + 4845^2 .

It is a cyclic number.

It is not a de Polignac number, because 120378361 - 2⁵ = 120378329 is a prime.

It is not a weakly prime, because it can be changed into another prime (120378367) 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, 60189180 + 60189181.

It is an arithmetic number, because the mean of its divisors is an integer number (60189181).

Almost surely, 2^120378361 is an apocalyptic number.

It is an amenable number.

120378361 is a deficient number, since it is larger than the sum of its proper divisors (1).

120378361 is an equidigital number, since it uses as much as digits as its factorization.

120378361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 120378361 is about 10971.7072964967. The cubic root of 120378361 is about 493.7602701277.

The spelling of 120378361 in words is "one hundred twenty million, three hundred seventy-eight thousand, three hundred sixty-one".