122020124129 has 8 divisors (see below), whose sum is σ = 124838264232. Its totient is φ = 119221090560.

The previous prime is 122020124119. The next prime is 122020124131. The reversal of 122020124129 is 921421020221.

It can be written as a sum of positive squares in 4 ways, for example, as 69352169104 + 52667955025 = 263348^2 + 229495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122020124129 - 2⁸ = 122020123873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122020124098 and 122020124107.

It is not an unprimeable number, because it can be changed into a prime (122020124119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4763714 + ... + 4789259.

It is an arithmetic number, because the mean of its divisors is an integer number (15604783029).

Almost surely, 2^122020124129 is an apocalyptic number.

It is an amenable number.

122020124129 is a deficient number, since it is larger than the sum of its proper divisors (2818140103).

122020124129 is an equidigital number, since it uses as much as digits as its factorization.

122020124129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553267.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 122020124129 in words is "one hundred twenty-two billion, twenty million, one hundred twenty-four thousand, one hundred twenty-nine".