120465109 has 2 divisors, whose sum is σ = 120465110. Its totient is φ = 120465108.

The previous prime is 120465097. The next prime is 120465127. The reversal of 120465109 is 901564021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94148209 + 26316900 = 9703^2 + 5130^2 .

It is an emirp because it is prime and its reverse (901564021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120465109 - 2¹⁷ = 120334037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120465209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60232554 + 60232555.

It is an arithmetic number, because the mean of its divisors is an integer number (60232555).

Almost surely, 2^120465109 is an apocalyptic number.

It is an amenable number.

120465109 is a deficient number, since it is larger than the sum of its proper divisors (1).

120465109 is an equidigital number, since it uses as much as digits as its factorization.

120465109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 120465109 is about 10975.6598434900. The cubic root of 120465109 is about 493.8788474502.

The spelling of 120465109 in words is "one hundred twenty million, four hundred sixty-five thousand, one hundred nine".