122120201 has 12 divisors (see below), whose sum is σ = 149536080. Its totient is φ = 99164520.

The previous prime is 122120183. The next prime is 122120209. The reversal of 122120201 is 102021221.

It is a happy number.

It is not a de Polignac number, because 122120201 - 2⁶ = 122120137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122120209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64655 + ... + 66516.

It is an arithmetic number, because the mean of its divisors is an integer number (12461340).

Almost surely, 2^122120201 is an apocalyptic number.

It is an amenable number.

122120201 is a deficient number, since it is larger than the sum of its proper divisors (27415879).

122120201 is a wasteful number, since it uses less digits than its factorization.

122120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131204 (or 131197 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 122120201 is about 11050.8009212002. The cubic root of 122120201 is about 496.1303976117.

Adding to 122120201 its reverse (102021221), we get a palindrome (224141422).

The spelling of 122120201 in words is "one hundred twenty-two million, one hundred twenty thousand, two hundred one".