122807808 has 120 divisors (see below), whose sum is σ = 367052400. Its totient is φ = 39481344.

The previous prime is 122807803. The next prime is 122807809. The reversal of 122807808 is 808708221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122807803) 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 11 ways as a sum of consecutive naturals, for example, 133173 + ... + 134091.

It is an arithmetic number, because the mean of its divisors is an integer number (3058770).

Almost surely, 2^122807808 is an apocalyptic number.

122807808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122807808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183526200).

122807808 is an abundant number, since it is smaller than the sum of its proper divisors (244244592).

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

122807808 is an equidigital number, since it uses as much as digits as its factorization.

122807808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 122807808 is about 11081.8684345195. The cubic root of 122807808 is about 497.0598219282.

The spelling of 122807808 in words is "one hundred twenty-two million, eight hundred seven thousand, eight hundred eight".