122406560 has 24 divisors (see below), whose sum is σ = 289185876. Its totient is φ = 48962560.

The previous prime is 122406553. The next prime is 122406563. The reversal of 122406560 is 65604221.

It can be written as a sum of positive squares in 2 ways, for example, as 116035984 + 6370576 = 10772^2 + 2524^2 .

It is not an unprimeable number, because it can be changed into a prime (122406563) 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 3 ways as a sum of consecutive naturals, for example, 382361 + ... + 382680.

Almost surely, 2^122406560 is an apocalyptic number.

122406560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122406560 is an abundant number, since it is smaller than the sum of its proper divisors (166779316).

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

122406560 is an equidigital number, since it uses as much as digits as its factorization.

122406560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765056 (or 765048 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 122406560 is about 11063.7498164049. The cubic root of 122406560 is about 496.5178860597.

The spelling of 122406560 in words is "one hundred twenty-two million, four hundred six thousand, five hundred sixty".