122131201 has 4 divisors (see below), whose sum is σ = 123092992. Its totient is φ = 121169412.

The previous prime is 122131199. The next prime is 122131237. The reversal of 122131201 is 102131221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102131221 = 241 ⋅423781.

It is a cyclic number.

It is not a de Polignac number, because 122131201 - 2¹ = 122131199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122131271) 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, 480705 + ... + 480958.

It is an arithmetic number, because the mean of its divisors is an integer number (30773248).

Almost surely, 2^122131201 is an apocalyptic number.

It is an amenable number.

122131201 is a deficient number, since it is larger than the sum of its proper divisors (961791).

122131201 is an equidigital number, since it uses as much as digits as its factorization.

122131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961790.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 122131201 is about 11051.2986114755. The cubic root of 122131201 is about 496.1452935107.

Adding to 122131201 its reverse (102131221), we get a palindrome (224262422).

The spelling of 122131201 in words is "one hundred twenty-two million, one hundred thirty-one thousand, two hundred one".