199125106 has 8 divisors (see below), whose sum is σ = 303584364. Its totient is φ = 97930320.

The previous prime is 199125103. The next prime is 199125119. The reversal of 199125106 is 601521991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 198387225 + 737881 = 14085^2 + 859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×199125106² = 79301615679022472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199125103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815965 + ... + 816208.

Almost surely, 2^199125106 is an apocalyptic number.

199125106 is a deficient number, since it is larger than the sum of its proper divisors (104459258).

199125106 is a wasteful number, since it uses less digits than its factorization.

199125106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1632236.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 199125106 is about 14111.1695475605. The cubic root of 199125106 is about 583.9495659987.

The spelling of 199125106 in words is "one hundred ninety-nine million, one hundred twenty-five thousand, one hundred six".