122009385 has 16 divisors (see below), whose sum is σ = 196297920. Its totient is φ = 64710720.

The previous prime is 122009369. The next prime is 122009401. The reversal of 122009385 is 583900221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122009369) and next prime (122009401).

It is not a de Polignac number, because 122009385 - 2⁴ = 122009369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19755 + ... + 25184.

It is an arithmetic number, because the mean of its divisors is an integer number (12268620).

Almost surely, 2^122009385 is an apocalyptic number.

122009385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122009385 is a deficient number, since it is larger than the sum of its proper divisors (74288535).

122009385 is a wasteful number, since it uses less digits than its factorization.

122009385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45128.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 122009385 is about 11045.7858480056. The cubic root of 122009385 is about 495.9802836964.

The spelling of 122009385 in words is "one hundred twenty-two million, nine thousand, three hundred eighty-five".