122066559 has 6 divisors (see below), whose sum is σ = 176318376. Its totient is φ = 81377700.

The previous prime is 122066533. The next prime is 122066573. The reversal of 122066559 is 955660221.

It is not a de Polignac number, because 122066559 - 2¹² = 122062463 is a prime.

It is a super-2 number, since 2×122066559² = 29800489652200962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122066059) 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 5 ways as a sum of consecutive naturals, for example, 6781467 + ... + 6781484.

It is an arithmetic number, because the mean of its divisors is an integer number (29386396).

Almost surely, 2^122066559 is an apocalyptic number.

122066559 is a deficient number, since it is larger than the sum of its proper divisors (54251817).

122066559 is a wasteful number, since it uses less digits than its factorization.

122066559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562957 (or 13562954 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 122066559 is about 11048.3735907146. The cubic root of 122066559 is about 496.0577442635.

The spelling of 122066559 in words is "one hundred twenty-two million, sixty-six thousand, five hundred fifty-nine".