122895985 has 4 divisors (see below), whose sum is σ = 147475188. Its totient is φ = 98316784.

The previous prime is 122895979. The next prime is 122895991. The reversal of 122895985 is 589598221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122895979) and next prime (122895991).

It can be written as a sum of positive squares in 2 ways, for example, as 91221601 + 31674384 = 9551^2 + 5628^2 .

It is a cyclic number.

It is not a de Polignac number, because 122895985 - 2³ = 122895977 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12289594 + ... + 12289603.

It is an arithmetic number, because the mean of its divisors is an integer number (36868797).

Almost surely, 2^122895985 is an apocalyptic number.

It is an amenable number.

122895985 is a deficient number, since it is larger than the sum of its proper divisors (24579203).

122895985 is an equidigital number, since it uses as much as digits as its factorization.

122895985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579202.

The product of its digits is 518400, while the sum is 49.

The square root of 122895985 is about 11085.8461562481. The cubic root of 122895985 is about 497.1787577920.

The spelling of 122895985 in words is "one hundred twenty-two million, eight hundred ninety-five thousand, nine hundred eighty-five".