122398141 has 4 divisors (see below), whose sum is σ = 123131232. Its totient is φ = 121665052.

The previous prime is 122398123. The next prime is 122398153. The reversal of 122398141 is 141893221.

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: 141893221 = 5737 ⋅24733.

It is a cyclic number.

It is not a de Polignac number, because 122398141 - 2⁹ = 122397629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122398121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366295 + ... + 366628.

It is an arithmetic number, because the mean of its divisors is an integer number (30782808).

Almost surely, 2^122398141 is an apocalyptic number.

It is an amenable number.

122398141 is a deficient number, since it is larger than the sum of its proper divisors (733091).

122398141 is an equidigital number, since it uses as much as digits as its factorization.

122398141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733090.

The product of its digits is 3456, while the sum is 31.

The square root of 122398141 is about 11063.3693330739. The cubic root of 122398141 is about 496.5065024653.

The spelling of 122398141 in words is "one hundred twenty-two million, three hundred ninety-eight thousand, one hundred forty-one".