120260909 has 2 divisors, whose sum is σ = 120260910. Its totient is φ = 120260908.

The previous prime is 120260897. The next prime is 120260923. The reversal of 120260909 is 909062021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110040100 + 10220809 = 10490^2 + 3197^2 .

It is a cyclic number.

It is not a de Polignac number, because 120260909 - 2⁸ = 120260653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120260009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60130454 + 60130455.

It is an arithmetic number, because the mean of its divisors is an integer number (60130455).

Almost surely, 2^120260909 is an apocalyptic number.

It is an amenable number.

120260909 is a deficient number, since it is larger than the sum of its proper divisors (1).

120260909 is an equidigital number, since it uses as much as digits as its factorization.

120260909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 120260909 is about 10966.3534960350. The cubic root of 120260909 is about 493.5996321689.

The spelling of 120260909 in words is "one hundred twenty million, two hundred sixty thousand, nine hundred nine".