122568385 has 8 divisors (see below), whose sum is σ = 155734056. Its totient is φ = 92286720.

The previous prime is 122568379. The next prime is 122568409. The reversal of 122568385 is 583865221.

It can be written as a sum of positive squares in 4 ways, for example, as 31002624 + 91565761 = 5568^2 + 9569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122568385 - 2¹⁷ = 122437313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720906 + ... + 721075.

It is an arithmetic number, because the mean of its divisors is an integer number (19466757).

Almost surely, 2^122568385 is an apocalyptic number.

It is an amenable number.

122568385 is a deficient number, since it is larger than the sum of its proper divisors (33165671).

122568385 is a wasteful number, since it uses less digits than its factorization.

122568385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442003.

The product of its digits is 115200, while the sum is 40.

The square root of 122568385 is about 11071.0606989574. The cubic root of 122568385 is about 496.7365933605.

The spelling of 122568385 in words is "one hundred twenty-two million, five hundred sixty-eight thousand, three hundred eighty-five".