122003109 has 12 divisors (see below), whose sum is σ = 183889056. Its totient is φ = 77798952.

The previous prime is 122003107. The next prime is 122003113. The reversal of 122003109 is 901300221.

It is a happy number.

It is not a de Polignac number, because 122003109 - 2¹ = 122003107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122003091 and 122003100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122003107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294487 + ... + 294900.

It is an arithmetic number, because the mean of its divisors is an integer number (15324088).

Almost surely, 2^122003109 is an apocalyptic number.

It is an amenable number.

122003109 is a deficient number, since it is larger than the sum of its proper divisors (61885947).

122003109 is a wasteful number, since it uses less digits than its factorization.

122003109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589416 (or 589413 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 122003109 is about 11045.5017541079. The cubic root of 122003109 is about 495.9717793626.

The spelling of 122003109 in words is "one hundred twenty-two million, three thousand, one hundred nine".