1648123 has 8 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 1603560.

The previous prime is 1648081. The next prime is 1648181. The reversal of 1648123 is 3218461.

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

It is a cyclic number.

It is not a de Polignac number, because 1648123 - 2¹⁷ = 1517051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1648223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9786 + ... + 9952.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2^1648123 is an apocalyptic number.

1648123 is a deficient number, since it is larger than the sum of its proper divisors (45317).

1648123 is a wasteful number, since it uses less digits than its factorization.

1648123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377.

The product of its digits is 1152, while the sum is 25.

The square root of 1648123 is about 1283.7924287049. The cubic root of 1648123 is about 118.1217502349.

It can be divided in two parts, 1648 and 123, that added together give a palindrome (1771).

The spelling of 1648123 in words is "one million, six hundred forty-eight thousand, one hundred twenty-three".