199125056 has 28 divisors (see below), whose sum is σ = 425535852. Its totient is φ = 91903488.

The previous prime is 199125019. The next prime is 199125061. The reversal of 199125056 is 650521991.

199125056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 73685056 + 125440000 = 8584^2 + 11200^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118835 + ... + 120498.

It is an arithmetic number, because the mean of its divisors is an integer number (15197709).

Almost surely, 2^199125056 is an apocalyptic number.

199125056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199125056 is an abundant number, since it is smaller than the sum of its proper divisors (226410796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199125056 is a wasteful number, since it uses less digits than its factorization.

199125056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239358 (or 239348 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 199125056 is about 14111.1677759142. The cubic root of 199125056 is about 583.9495171224.

The spelling of 199125056 in words is "one hundred ninety-nine million, one hundred twenty-five thousand, fifty-six".