122131349 has 4 divisors (see below), whose sum is σ = 129315564. Its totient is φ = 114947136.

The previous prime is 122131343. The next prime is 122131363. The reversal of 122131349 is 943131221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943131221 = 37 ⋅25490033.

It can be written as a sum of positive squares in 2 ways, for example, as 51739249 + 70392100 = 7193^2 + 8390^2 .

It is a cyclic number.

It is not a de Polignac number, because 122131349 - 2¹² = 122127253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131343) 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, 3592082 + ... + 3592115.

It is an arithmetic number, because the mean of its divisors is an integer number (32328891).

Almost surely, 2^122131349 is an apocalyptic number.

It is an amenable number.

122131349 is a deficient number, since it is larger than the sum of its proper divisors (7184215).

122131349 is an equidigital number, since it uses as much as digits as its factorization.

122131349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184214.

The product of its digits is 1296, while the sum is 26.

The square root of 122131349 is about 11051.3053075191. The cubic root of 122131349 is about 496.1454939221.

The spelling of 122131349 in words is "one hundred twenty-two million, one hundred thirty-one thousand, three hundred forty-nine".