122603648 has 32 divisors (see below), whose sum is σ = 252679500. Its totient is φ = 59186176.

The previous prime is 122603627. The next prime is 122603651. The reversal of 122603648 is 846306221.

It can be written as a sum of positive squares in 2 ways, for example, as 106667584 + 15936064 = 10328^2 + 3992^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 12803 + ... + 20226.

Almost surely, 2^122603648 is an apocalyptic number.

It is an amenable number.

122603648 is an abundant number, since it is smaller than the sum of its proper divisors (130075852).

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

122603648 is an equidigital number, since it uses as much as digits as its factorization.

122603648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33072 (or 33060 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 122603648 is about 11072.6531599251. The cubic root of 122603648 is about 496.7842259343.

Adding to 122603648 its reverse (846306221), we get a palindrome (968909869).

The spelling of 122603648 in words is "one hundred twenty-two million, six hundred three thousand, six hundred forty-eight".