120499109 has 2 divisors, whose sum is σ = 120499110. Its totient is φ = 120499108.

The previous prime is 120499103. The next prime is 120499163. The reversal of 120499109 is 901994021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99062209 + 21436900 = 9953^2 + 4630^2 .

It is an emirp because it is prime and its reverse (901994021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120499109 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 (120499103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60249554 + 60249555.

It is an arithmetic number, because the mean of its divisors is an integer number (60249555).

Almost surely, 2^120499109 is an apocalyptic number.

It is an amenable number.

120499109 is a deficient number, since it is larger than the sum of its proper divisors (1).

120499109 is an equidigital number, since it uses as much as digits as its factorization.

120499109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 120499109 is about 10977.2086160371. The cubic root of 120499109 is about 493.9253071026.

The spelling of 120499109 in words is "one hundred twenty million, four hundred ninety-nine thousand, one hundred nine".