122017808 has 20 divisors (see below), whose sum is σ = 257901648. Its totient is φ = 55462560.

The previous prime is 122017807. The next prime is 122017813. The reversal of 122017808 is 808710221.

It is not an unprimeable number, because it can be changed into a prime (122017801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346466 + ... + 346817.

Almost surely, 2^122017808 is an apocalyptic number.

It is an amenable number.

122017808 is an abundant number, since it is smaller than the sum of its proper divisors (135883840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122017808 is a wasteful number, since it uses less digits than its factorization.

122017808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693302 (or 693296 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 122017808 is about 11046.1671180550. The cubic root of 122017808 is about 495.9916968780.

The spelling of 122017808 in words is "one hundred twenty-two million, seventeen thousand, eight hundred eight".