912123 has 6 divisors (see below), whose sum is σ = 1317524. Its totient is φ = 608076.

The previous prime is 912103. The next prime is 912167. The reversal of 912123 is 321219.

It is a happy number.

It is not a de Polignac number, because 912123 - 2¹⁷ = 781051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912096 and 912105.

It is not an unprimeable number, because it can be changed into a prime (912103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50665 + ... + 50682.

2⁹¹²¹²³ is an apocalyptic number.

912123 is a deficient number, since it is larger than the sum of its proper divisors (405401).

912123 is a wasteful number, since it uses less digits than its factorization.

912123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101353 (or 101350 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 912123 is about 955.0513075223. The cubic root of 912123 is about 96.9805111943.

It can be divided in two parts, 912 and 123, that added together give a triangular number (1035 = T₄₅).

The spelling of 912123 in words is "nine hundred twelve thousand, one hundred twenty-three".