199125467 has 4 divisors (see below), whose sum is σ = 207783120. Its totient is φ = 190467816.

The previous prime is 199125461. The next prime is 199125497. The reversal of 199125467 is 764521991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764521991 = 1409 ⋅542599.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199125467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199125461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328792 + ... + 4328837.

It is an arithmetic number, because the mean of its divisors is an integer number (51945780).

Almost surely, 2^199125467 is an apocalyptic number.

199125467 is a deficient number, since it is larger than the sum of its proper divisors (8657653).

199125467 is an equidigital number, since it uses as much as digits as its factorization.

199125467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657652.

The product of its digits is 136080, while the sum is 44.

The square root of 199125467 is about 14111.1823388404. The cubic root of 199125467 is about 583.9499188852.

The spelling of 199125467 in words is "one hundred ninety-nine million, one hundred twenty-five thousand, four hundred sixty-seven".