122020143 has 24 divisors (see below), whose sum is σ = 189968688. Its totient is φ = 69463296.

The previous prime is 122020133. The next prime is 122020153. The reversal of 122020143 is 341020221.

It is an interprime number because it is at equal distance from previous prime (122020133) and next prime (122020153).

It is not a de Polignac number, because 122020143 - 2⁴ = 122020127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41655 + ... + 44487.

It is an arithmetic number, because the mean of its divisors is an integer number (7915362).

Almost surely, 2^122020143 is an apocalyptic number.

122020143 is a deficient number, since it is larger than the sum of its proper divisors (67948545).

122020143 is a wasteful number, since it uses less digits than its factorization.

122020143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3136 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122020143 is about 11046.2728103193. The cubic root of 122020143 is about 495.9948607146.

Adding to 122020143 its reverse (341020221), we get a palindrome (463040364).

The spelling of 122020143 in words is "one hundred twenty-two million, twenty thousand, one hundred forty-three".