122122143 has 24 divisors (see below), whose sum is σ = 207239760. Its totient is φ = 68319360.

The previous prime is 122122129. The next prime is 122122181. The reversal of 122122143 is 341221221.

It is a happy number.

It is not a de Polignac number, because 122122143 - 2⁶ = 122122079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122243) 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 23 ways as a sum of consecutive naturals, for example, 46158 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (8634990).

Almost surely, 2^122122143 is an apocalyptic number.

122122143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122122143 is a deficient number, since it is larger than the sum of its proper divisors (85117617).

122122143 is a wasteful number, since it uses less digits than its factorization.

122122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94919 (or 94916 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 122122143 is about 11050.8887877854. Note that the first 3 decimals coincide. The cubic root of 122122143 is about 496.1330274800.

Adding to 122122143 its reverse (341221221), we get a palindrome (463343364).

It can be divided in two parts, 122122 and 143, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 122122143 in words is "one hundred twenty-two million, one hundred twenty-two thousand, one hundred forty-three".