122143229 has 12 divisors (see below), whose sum is σ = 139226400. Its totient is φ = 106810704.

The previous prime is 122143213. The next prime is 122143261. The reversal of 122143229 is 922341221.

It is not a de Polignac number, because 122143229 - 2⁴ = 122143213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122143198 and 122143207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122143279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15809 + ... + 22230.

It is an arithmetic number, because the mean of its divisors is an integer number (11602200).

Almost surely, 2^122143229 is an apocalyptic number.

122143229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

122143229 is a deficient number, since it is larger than the sum of its proper divisors (17083171).

122143229 is a wasteful number, since it uses less digits than its factorization.

122143229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38084 (or 38071 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 122143229 is about 11051.8427875174. The cubic root of 122143229 is about 496.1615804754.

The spelling of 122143229 in words is "one hundred twenty-two million, one hundred forty-three thousand, two hundred twenty-nine".