122352137 has 2 divisors, whose sum is σ = 122352138. Its totient is φ = 122352136.

The previous prime is 122352121. The next prime is 122352151. The reversal of 122352137 is 731253221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87965641 + 34386496 = 9379^2 + 5864^2 .

It is a cyclic number.

It is not a de Polignac number, because 122352137 - 2⁴ = 122352121 is a prime.

It is not a weakly prime, because it can be changed into another prime (122352337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61176068 + 61176069.

It is an arithmetic number, because the mean of its divisors is an integer number (61176069).

Almost surely, 2^122352137 is an apocalyptic number.

It is an amenable number.

122352137 is a deficient number, since it is larger than the sum of its proper divisors (1).

122352137 is an equidigital number, since it uses as much as digits as its factorization.

122352137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 122352137 is about 11061.2900242241. The cubic root of 122352137 is about 496.4442897900. Note that the first 3 decimals are identical.

The spelling of 122352137 in words is "one hundred twenty-two million, three hundred fifty-two thousand, one hundred thirty-seven".