198124143 has 32 divisors (see below), whose sum is σ = 315187200. Its totient is φ = 108304896.

The previous prime is 198124133. The next prime is 198124163. The reversal of 198124143 is 341421891.

It is a happy number.

It is not a de Polignac number, because 198124143 - 2⁵ = 198124111 is a prime.

It is a super-3 number, since 3×198124143³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198124133) 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 31 ways as a sum of consecutive naturals, for example, 67378 + ... + 70256.

It is an arithmetic number, because the mean of its divisors is an integer number (9849600).

Almost surely, 2^198124143 is an apocalyptic number.

198124143 is a deficient number, since it is larger than the sum of its proper divisors (117063057).

198124143 is a wasteful number, since it uses less digits than its factorization.

198124143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its digits is 6912, while the sum is 33.

The square root of 198124143 is about 14075.6578176652. The cubic root of 198124143 is about 582.9694550949.

The spelling of 198124143 in words is "one hundred ninety-eight million, one hundred twenty-four thousand, one hundred forty-three".