120345061 has 2 divisors, whose sum is σ = 120345062. Its totient is φ = 120345060.

The previous prime is 120345013. The next prime is 120345077. The reversal of 120345061 is 160543021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118940836 + 1404225 = 10906^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 120345061 - 2¹⁹ = 119820773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120345011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60172530 + 60172531.

It is an arithmetic number, because the mean of its divisors is an integer number (60172531).

Almost surely, 2^120345061 is an apocalyptic number.

It is an amenable number.

120345061 is a deficient number, since it is larger than the sum of its proper divisors (1).

120345061 is an equidigital number, since it uses as much as digits as its factorization.

120345061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 120345061 is about 10970.1896519614. The cubic root of 120345061 is about 493.7147366580.

Adding to 120345061 its reverse (160543021), we get a palindrome (280888082).

It can be divided in two parts, 1203 and 45061, that added together give a palindrome (46264).

The spelling of 120345061 in words is "one hundred twenty million, three hundred forty-five thousand, sixty-one".