122144225429 has 32 divisors (see below), whose sum is σ = 133449762816. Its totient is φ = 111353149440.

The previous prime is 122144225387. The next prime is 122144225449. The reversal of 122144225429 is 924522441221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122144225429 - 2³² = 117849258133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122144225392 and 122144225401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144225449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33993257 + ... + 33996849.

It is an arithmetic number, because the mean of its divisors is an integer number (4170305088).

Almost surely, 2^122144225429 is an apocalyptic number.

It is an amenable number.

122144225429 is a deficient number, since it is larger than the sum of its proper divisors (11305537387).

122144225429 is a wasteful number, since it uses less digits than its factorization.

122144225429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085.

The product of its digits is 92160, while the sum is 38.

The spelling of 122144225429 in words is "one hundred twenty-two billion, one hundred forty-four million, two hundred twenty-five thousand, four hundred twenty-nine".