199120827 has 6 divisors (see below), whose sum is σ = 265527028. Its totient is φ = 132730924.

The previous prime is 199120819. The next prime is 199120829. The reversal of 199120827 is 728021991.

It is not a de Polignac number, because 199120827 - 2³ = 199120819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199120829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20368 + ... + 28514.

Almost surely, 2^199120827 is an apocalyptic number.

199120827 is a deficient number, since it is larger than the sum of its proper divisors (66406201).

199120827 is an frugal number, since it uses more digits than its factorization.

199120827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297 (or 8150 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 199120827 is about 14111.0179292636. The cubic root of 199120827 is about 583.9453831374.

The spelling of 199120827 in words is "one hundred ninety-nine million, one hundred twenty thousand, eight hundred twenty-seven".