199126 has 4 divisors (see below), whose sum is σ = 298692. Its totient is φ = 99562.

The previous prime is 199109. The next prime is 199151. The reversal of 199126 is 621991.

199126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 621991 = 107 ⋅5813.

It is a junction number, because it is equal to n+sod(n) for n = 199094 and 199103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49780 + ... + 49783.

It is an arithmetic number, because the mean of its divisors is an integer number (74673).

2¹⁹⁹¹²⁶ is an apocalyptic number.

199126 is a deficient number, since it is larger than the sum of its proper divisors (99566).

199126 is an equidigital number, since it uses as much as digits as its factorization.

199126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99565.

The product of its digits is 972, while the sum is 28.

The square root of 199126 is about 446.2353639056. The cubic root of 199126 is about 58.3950439905.

It can be divided in two parts, 199 and 126, that added together give a triangular number (325 = T₂₅).

The spelling of 199126 in words is "one hundred ninety-nine thousand, one hundred twenty-six".