122143 has 4 divisors (see below), whose sum is σ = 139600. Its totient is φ = 104688.

The previous prime is 122131. The next prime is 122147. The reversal of 122143 is 341221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341221 = 19 ⋅17959.

It is a cyclic number.

It is not a de Polignac number, because 122143 - 2⁹ = 121631 is a prime.

It is a Duffinian number.

122143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8718 + ... + 8731.

It is an arithmetic number, because the mean of its divisors is an integer number (34900).

2¹²²¹⁴³ is an apocalyptic number.

122143 is a deficient number, since it is larger than the sum of its proper divisors (17457).

122143 is an equidigital number, since it uses as much as digits as its factorization.

122143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17456.

The product of its digits is 48, while the sum is 13.

The square root of 122143 is about 349.4896278862. The cubic root of 122143 is about 49.6161270399.

Adding to 122143 its reverse (341221), we get a palindrome (463364).

The spelling of 122143 in words is "one hundred twenty-two thousand, one hundred forty-three", and thus it is an iban number.