122067729 has 40 divisors (see below), whose sum is σ = 209297088. Its totient is φ = 69452640.

The previous prime is 122067727. The next prime is 122067731. The reversal of 122067729 is 927760221.

It is an interprime number because it is at equal distance from previous prime (122067727) and next prime (122067731).

It is not a de Polignac number, because 122067729 - 2¹ = 122067727 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122067693 and 122067702.

It is not an unprimeable number, because it can be changed into a prime (122067721) 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 in 39 ways as a sum of consecutive naturals, for example, 261154 + ... + 261620.

Almost surely, 2^122067729 is an apocalyptic number.

It is an amenable number.

122067729 is a deficient number, since it is larger than the sum of its proper divisors (87229359).

122067729 is an equidigital number, since it uses as much as digits as its factorization.

122067729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 122067729 is about 11048.4265395576. The cubic root of 122067729 is about 496.0593291522.

The spelling of 122067729 in words is "one hundred twenty-two million, sixty-seven thousand, seven hundred twenty-nine".