123146 has 8 divisors (see below), whose sum is σ = 187680. Its totient is φ = 60588.

The previous prime is 123143. The next prime is 123169. The reversal of 123146 is 641321.

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

It is not an unprimeable number, because it can be changed into a prime (123143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (23460).

2¹²³¹⁴⁶ is an apocalyptic number.

123146 is a deficient number, since it is larger than the sum of its proper divisors (64534).

123146 is an equidigital number, since it uses as much as digits as its factorization.

123146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988.

The product of its digits is 144, while the sum is 17.

The square root of 123146 is about 350.9216436756. The cubic root of 123146 is about 49.7515676720.

Adding to 123146 its reverse (641321), we get a palindrome (764467).

The spelling of 123146 in words is "one hundred twenty-three thousand, one hundred forty-six".