122120143 has 2 divisors, whose sum is σ = 122120144. Its totient is φ = 122120142.

The previous prime is 122120137. The next prime is 122120161. The reversal of 122120143 is 341021221.

It is a weak prime.

It is an emirp because it is prime and its reverse (341021221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122120143 - 2⁵ = 122120111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122120113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060071 + 61060072.

It is an arithmetic number, because the mean of its divisors is an integer number (61060072).

Almost surely, 2^122120143 is an apocalyptic number.

122120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120143 is an equidigital number, since it uses as much as digits as its factorization.

122120143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122120143 is about 11050.7982969557. The cubic root of 122120143 is about 496.1303190673.

Adding to 122120143 its reverse (341021221), we get a palindrome (463141364).

The spelling of 122120143 in words is "one hundred twenty-two million, one hundred twenty thousand, one hundred forty-three".