122300778 has 8 divisors (see below), whose sum is σ = 244601568. Its totient is φ = 40766924.

The previous prime is 122300767. The next prime is 122300807. The reversal of 122300778 is 877003221.

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

122300778 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10191726 + ... + 10191737.

It is an arithmetic number, because the mean of its divisors is an integer number (30575196).

Almost surely, 2^122300778 is an apocalyptic number.

122300778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122300778 is a wasteful number, since it uses less digits than its factorization.

122300778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20383468.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 122300778 is about 11058.9682158870. The cubic root of 122300778 is about 496.3748169517.

Adding to 122300778 its reverse (877003221), we get a palindrome (999303999).

The spelling of 122300778 in words is "one hundred twenty-two million, three hundred thousand, seven hundred seventy-eight".