122669568 has 120 divisors (see below), whose sum is σ = 404715168. Its totient is φ = 35039232.

The previous prime is 122669551. The next prime is 122669587. The reversal of 122669568 is 865966221.

122669568 is a `hidden beast` number, since 1 + 2 + 26 + 69 + 568 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30355 + ... + 34157.

Almost surely, 2^122669568 is an apocalyptic number.

122669568 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 122669568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202357584).

122669568 is an abundant number, since it is smaller than the sum of its proper divisors (282045600).

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

122669568 is an equidigital number, since it uses as much as digits as its factorization.

122669568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834 (or 3815 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 122669568 is about 11075.6294629244. The cubic root of 122669568 is about 496.8732448971.

The spelling of 122669568 in words is "one hundred twenty-two million, six hundred sixty-nine thousand, five hundred sixty-eight".