122930208 has 36 divisors (see below), whose sum is σ = 349583598. Its totient is φ = 40976640.

The previous prime is 122930173. The next prime is 122930273. The reversal of 122930208 is 802039221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80784144 + 42146064 = 8988^2 + 6492^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×122930208² = 30223672077846528, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 213133 + ... + 213708.

Almost surely, 2^122930208 is an apocalyptic number.

122930208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122930208 is an abundant number, since it is smaller than the sum of its proper divisors (226653390).

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

122930208 is a wasteful number, since it uses less digits than its factorization.

122930208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426857 (or 426846 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 122930208 is about 11087.3895935878. The cubic root of 122930208 is about 497.2249035075.

Adding to 122930208 its reverse (802039221), we get a palindrome (924969429).

The spelling of 122930208 in words is "one hundred twenty-two million, nine hundred thirty thousand, two hundred eight".