122029929 has 16 divisors (see below), whose sum is σ = 206611840. Its totient is φ = 69731280.

The previous prime is 122029891. The next prime is 122029931. The reversal of 122029929 is 929920221.

It is not a de Polignac number, because 122029929 - 2⁷ = 122029801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122029893 and 122029902.

It is not an unprimeable number, because it can be changed into a prime (122029949) 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 15 ways as a sum of consecutive naturals, for example, 322642 + ... + 323019.

It is an arithmetic number, because the mean of its divisors is an integer number (12913240).

Almost surely, 2^122029929 is an apocalyptic number.

It is an amenable number.

122029929 is a deficient number, since it is larger than the sum of its proper divisors (84581911).

122029929 is an equidigital number, since it uses as much as digits as its factorization.

122029929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645677 (or 645671 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 122029929 is about 11046.7157562780. The cubic root of 122029929 is about 496.0081199351.

The spelling of 122029929 in words is "one hundred twenty-two million, twenty-nine thousand, nine hundred twenty-nine".