120003109 has 4 divisors (see below), whose sum is σ = 122037120. Its totient is φ = 117969100.

The previous prime is 120003101. The next prime is 120003113. The reversal of 120003109 is 901300021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901300021 = 523 ⋅1723327.

It is a cyclic number.

It is not a de Polignac number, because 120003109 - 2³ = 120003101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120003092 and 120003101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120003101) 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 in 3 ways as a sum of consecutive naturals, for example, 1016917 + ... + 1017034.

It is an arithmetic number, because the mean of its divisors is an integer number (30509280).

Almost surely, 2^120003109 is an apocalyptic number.

It is an amenable number.

120003109 is a deficient number, since it is larger than the sum of its proper divisors (2034011).

120003109 is an equidigital number, since it uses as much as digits as its factorization.

120003109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034010.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 120003109 is about 10954.5930549701. The cubic root of 120003109 is about 493.2466745256.

The spelling of 120003109 in words is "one hundred twenty million, three thousand, one hundred nine".