122304139 has 2 divisors, whose sum is σ = 122304140. Its totient is φ = 122304138.

The previous prime is 122304079. The next prime is 122304151. The reversal of 122304139 is 931403221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122304139 - 2¹¹ = 122302091 is a prime.

It is not a weakly prime, because it can be changed into another prime (122344139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61152069 + 61152070.

It is an arithmetic number, because the mean of its divisors is an integer number (61152070).

Almost surely, 2^122304139 is an apocalyptic number.

122304139 is a deficient number, since it is larger than the sum of its proper divisors (1).

122304139 is an equidigital number, since it uses as much as digits as its factorization.

122304139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 122304139 is about 11059.1201729613. The cubic root of 122304139 is about 496.3793639396.

The spelling of 122304139 in words is "one hundred twenty-two million, three hundred four thousand, one hundred thirty-nine".