120230009 has 2 divisors, whose sum is σ = 120230010. Its totient is φ = 120230008.

The previous prime is 120229987. The next prime is 120230041. The reversal of 120230009 is 900032021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100560784 + 19669225 = 10028^2 + 4435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120230009 is a prime.

It is not a weakly prime, because it can be changed into another prime (120230609) 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, 60115004 + 60115005.

It is an arithmetic number, because the mean of its divisors is an integer number (60115005).

Almost surely, 2^120230009 is an apocalyptic number.

It is an amenable number.

120230009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120230009 is an equidigital number, since it uses as much as digits as its factorization.

120230009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 120230009 is about 10964.9445507034. The cubic root of 120230009 is about 493.5573531627.

The spelling of 120230009 in words is "one hundred twenty million, two hundred thirty thousand, nine".