122645568 has 56 divisors (see below), whose sum is σ = 338620608. Its totient is φ = 39102976.

The previous prime is 122645557. The next prime is 122645569. The reversal of 122645568 is 865546221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122645569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9471 + ... + 18302.

Almost surely, 2^122645568 is an apocalyptic number.

It is an amenable number.

122645568 is an abundant number, since it is smaller than the sum of its proper divisors (215975040).

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

122645568 is a wasteful number, since it uses less digits than its factorization.

122645568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27811 (or 27801 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 122645568 is about 11074.5459500604. The cubic root of 122645568 is about 496.8408387732.

The spelling of 122645568 in words is "one hundred twenty-two million, six hundred forty-five thousand, five hundred sixty-eight".