122140201 has 4 divisors (see below), whose sum is σ = 122244804. Its totient is φ = 122035600.

The previous prime is 122140171. The next prime is 122140211. The reversal of 122140201 is 102041221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102041221 = 6871 ⋅14851.

It can be written as a sum of positive squares in 2 ways, for example, as 83997225 + 38142976 = 9165^2 + 6176^2 .

It is a cyclic number.

It is not a de Polignac number, because 122140201 - 2¹¹ = 122138153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122140211) 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, 50530 + ... + 52891.

It is an arithmetic number, because the mean of its divisors is an integer number (30561201).

Almost surely, 2^122140201 is an apocalyptic number.

It is an amenable number.

122140201 is a deficient number, since it is larger than the sum of its proper divisors (104603).

122140201 is a wasteful number, since it uses less digits than its factorization.

122140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104602.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 122140201 is about 11051.7057959394. The cubic root of 122140201 is about 496.1574803991.

Adding to 122140201 its reverse (102041221), we get a palindrome (224181422).

The spelling of 122140201 in words is "one hundred twenty-two million, one hundred forty thousand, two hundred one".