122185339 has 2 divisors, whose sum is σ = 122185340. Its totient is φ = 122185338.

The previous prime is 122185337. The next prime is 122185351. The reversal of 122185339 is 933581221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122185339 - 2¹ = 122185337 is a prime.

It is a super-3 number, since 3×122185339³ (a number of 25 digits) contains 333 as substring.

Together with 122185337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122185337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61092669 + 61092670.

It is an arithmetic number, because the mean of its divisors is an integer number (61092670).

Almost surely, 2^122185339 is an apocalyptic number.

122185339 is a deficient number, since it is larger than the sum of its proper divisors (1).

122185339 is an equidigital number, since it uses as much as digits as its factorization.

122185339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 122185339 is about 11053.7477354968. The cubic root of 122185339 is about 496.2185926780.

The spelling of 122185339 in words is "one hundred twenty-two million, one hundred eighty-five thousand, three hundred thirty-nine".