3198123 has 28 divisors (see below), whose sum is σ = 4957848. Its totient is φ = 2060640.

The previous prime is 3198119. The next prime is 3198131. The reversal of 3198123 is 3218913.

3198123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3198123 - 2² = 3198119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3198113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 29836 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (177066).

Almost surely, 2^3198123 is an apocalyptic number.

3198123 is a deficient number, since it is larger than the sum of its proper divisors (1759725).

3198123 is an equidigital number, since it uses as much as digits as its factorization.

3198123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 151 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 3198123 is about 1788.3296675949. The cubic root of 3198123 is about 147.3324421140.

It can be divided in two parts, 3198 and 123, that added together give a triangular number (3321 = T₈₁).

The spelling of 3198123 in words is "three million, one hundred ninety-eight thousand, one hundred twenty-three".