198982125 has 48 divisors (see below), whose sum is σ = 363190464. Its totient is φ = 104796000.

The previous prime is 198982109. The next prime is 198982129. The reversal of 198982125 is 521289891.

It is not a de Polignac number, because 198982125 - 2⁴ = 198982109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198982129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92310 + ... + 94440.

It is an arithmetic number, because the mean of its divisors is an integer number (7566468).

Almost surely, 2^198982125 is an apocalyptic number.

198982125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198982125 is a deficient number, since it is larger than the sum of its proper divisors (164208339).

198982125 is a wasteful number, since it uses less digits than its factorization.

198982125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235 (or 2222 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 198982125 is about 14106.1024028610. The cubic root of 198982125 is about 583.8097649683.

The spelling of 198982125 in words is "one hundred ninety-eight million, nine hundred eighty-two thousand, one hundred twenty-five".