122020147429 has 2 divisors, whose sum is σ = 122020147430. Its totient is φ = 122020147428.

The previous prime is 122020147411. The next prime is 122020147433. The reversal of 122020147429 is 924741020221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121818450625 + 201696804 = 349025^2 + 14202^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020147429 - 2²⁷ = 121885929701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122020147394 and 122020147403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122020147489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010073714 + 61010073715.

It is an arithmetic number, because the mean of its divisors is an integer number (61010073715).

Almost surely, 2^122020147429 is an apocalyptic number.

It is an amenable number.

122020147429 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020147429 is an equidigital number, since it uses as much as digits as its factorization.

122020147429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 122020147429 in words is "one hundred twenty-two billion, twenty million, one hundred forty-seven thousand, four hundred twenty-nine".