122101985 has 8 divisors (see below), whose sum is σ = 147094056. Its totient is φ = 97300480.

The previous prime is 122101949. The next prime is 122102011. The reversal of 122101985 is 589101221.

It can be written as a sum of positive squares in 4 ways, for example, as 46185616 + 75916369 = 6796^2 + 8713^2 .

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

It is not a de Polignac number, because 122101985 - 2⁶ = 122101921 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, 46226 + ... + 48795.

It is an arithmetic number, because the mean of its divisors is an integer number (18386757).

Almost surely, 2^122101985 is an apocalyptic number.

It is an amenable number.

122101985 is a deficient number, since it is larger than the sum of its proper divisors (24992071).

122101985 is an equidigital number, since it uses as much as digits as its factorization.

122101985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95283.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 122101985 is about 11049.9766968080. The cubic root of 122101985 is about 496.1057280358.

The spelling of 122101985 in words is "one hundred twenty-two million, one hundred one thousand, nine hundred eighty-five".