122566064 has 40 divisors (see below), whose sum is σ = 253614720. Its totient is φ = 57254400.

The previous prime is 122566063. The next prime is 122566109. The reversal of 122566064 is 460665221.

It is a self number, because there is not a number n which added to its sum of digits gives 122566064.

It is not an unprimeable number, because it can be changed into a prime (122566063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10124 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (6340368).

Almost surely, 2^122566064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122566064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126807360).

122566064 is an abundant number, since it is smaller than the sum of its proper divisors (131048656).

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

122566064 is a wasteful number, since it uses less digits than its factorization.

122566064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 122566064 is about 11070.9558756234. The cubic root of 122566064 is about 496.7334578784.

The spelling of 122566064 in words is "one hundred twenty-two million, five hundred sixty-six thousand, sixty-four".