122105836 has 6 divisors (see below), whose sum is σ = 213685220. Its totient is φ = 61052916.

The previous prime is 122105821. The next prime is 122105839. The reversal of 122105836 is 638501221.

It is not an unprimeable number, because it can be changed into a prime (122105839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263226 + ... + 15263233.

Almost surely, 2^122105836 is an apocalyptic number.

It is an amenable number.

122105836 is a deficient number, since it is larger than the sum of its proper divisors (91579384).

122105836 is a wasteful number, since it uses less digits than its factorization.

122105836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30526463 (or 30526461 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 122105836 is about 11050.1509491952. The cubic root of 122105836 is about 496.1109435750.

The spelling of 122105836 in words is "one hundred twenty-two million, one hundred five thousand, eight hundred thirty-six".