122200001 has 32 divisors (see below), whose sum is σ = 162155520. Its totient is φ = 89208000.

The previous prime is 122199991. The next prime is 122200003. The reversal of 122200001 is 100002221.

It is not a de Polignac number, because 122200001 - 2²⁶ = 55091137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122200003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147350 + ... + 148176.

It is an arithmetic number, because the mean of its divisors is an integer number (5067360).

Almost surely, 2^122200001 is an apocalyptic number.

122200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122200001 is a deficient number, since it is larger than the sum of its proper divisors (39955519).

122200001 is a wasteful number, since it uses less digits than its factorization.

122200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 122200001 is about 11054.4109295792. The cubic root of 122200001 is about 496.2384403020.

Adding to 122200001 its reverse (100002221), we get a palindrome (222202222).

The spelling of 122200001 in words is "one hundred twenty-two million, two hundred thousand, one".