122001897 has 4 divisors (see below), whose sum is σ = 162669200. Its totient is φ = 81334596.

The previous prime is 122001871. The next prime is 122001899. The reversal of 122001897 is 798100221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122001897 - 2¹⁰ = 122000873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333647 + ... + 20333652.

It is an arithmetic number, because the mean of its divisors is an integer number (40667300).

Almost surely, 2^122001897 is an apocalyptic number.

It is an amenable number.

122001897 is a deficient number, since it is larger than the sum of its proper divisors (40667303).

122001897 is an equidigital number, since it uses as much as digits as its factorization.

122001897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40667302.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 122001897 is about 11045.4468900086. The cubic root of 122001897 is about 495.9701370006.

The spelling of 122001897 in words is "one hundred twenty-two million, one thousand, eight hundred ninety-seven".