122008389 has 8 divisors (see below), whose sum is σ = 162818112. Its totient is φ = 81268800.

The previous prime is 122008379. The next prime is 122008391. The reversal of 122008389 is 983800221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122008389 - 2¹¹ = 122006341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122008309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13329 + ... + 20534.

It is an arithmetic number, because the mean of its divisors is an integer number (20352264).

Almost surely, 2^122008389 is an apocalyptic number.

It is an amenable number.

122008389 is a deficient number, since it is larger than the sum of its proper divisors (40809723).

122008389 is a wasteful number, since it uses less digits than its factorization.

122008389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35067.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 122008389 is about 11045.7407628461. The cubic root of 122008389 is about 495.9789340797.

The spelling of 122008389 in words is "one hundred twenty-two million, eight thousand, three hundred eighty-nine".