122062639 has 2 divisors, whose sum is σ = 122062640. Its totient is φ = 122062638.

The previous prime is 122062637. The next prime is 122062673. The reversal of 122062639 is 936260221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122062639 - 2¹ = 122062637 is a prime.

Together with 122062637, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122062639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122062637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61031319 + 61031320.

It is an arithmetic number, because the mean of its divisors is an integer number (61031320).

Almost surely, 2^122062639 is an apocalyptic number.

122062639 is a deficient number, since it is larger than the sum of its proper divisors (1).

122062639 is an equidigital number, since it uses as much as digits as its factorization.

122062639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 122062639 is about 11048.1961876136. The cubic root of 122062639 is about 496.0524341355.

The spelling of 122062639 in words is "one hundred twenty-two million, sixty-two thousand, six hundred thirty-nine".