122010009 has 16 divisors (see below), whose sum is σ = 185186304. Its totient is φ = 70730000.

The previous prime is 122009999. The next prime is 122010013. The reversal of 122010009 is 900010221.

It is a happy number.

It is not a de Polignac number, because 122010009 - 2⁵ = 122009977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122010009.

It is not an unprimeable number, because it can be changed into a prime (122010019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79617 + ... + 81134.

It is an arithmetic number, because the mean of its divisors is an integer number (11574144).

Almost surely, 2^122010009 is an apocalyptic number.

It is an amenable number.

122010009 is a deficient number, since it is larger than the sum of its proper divisors (63176295).

122010009 is a wasteful number, since it uses less digits than its factorization.

122010009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160788.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 122010009 is about 11045.8140940358. The cubic root of 122010009 is about 495.9811292357.

The spelling of 122010009 in words is "one hundred twenty-two million, ten thousand, nine".