1908123 has 8 divisors (see below), whose sum is σ = 2907648. Its totient is φ = 1090344.

The previous prime is 1908121. The next prime is 1908133. The reversal of 1908123 is 3218091.

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

It is not a de Polignac number, because 1908123 - 2¹ = 1908121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1908093 and 1908102.

It is not an unprimeable number, because it can be changed into a prime (1908121) 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, 45411 + ... + 45452.

It is an arithmetic number, because the mean of its divisors is an integer number (363456).

2^1908123 is an apocalyptic number.

1908123 is a deficient number, since it is larger than the sum of its proper divisors (999525).

1908123 is an equidigital number, since it uses as much as digits as its factorization.

1908123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90873.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1908123 is about 1381.3482544239. The cubic root of 1908123 is about 124.0324880188.

The spelling of 1908123 in words is "one million, nine hundred eight thousand, one hundred twenty-three".