1078123 has 4 divisors (see below), whose sum is σ = 1141560. Its totient is φ = 1014688.

The previous prime is 1078111. The next prime is 1078127. The reversal of 1078123 is 3218701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3218701 = 47 ⋅68483.

It is a cyclic number.

It is not a de Polignac number, because 1078123 - 2¹³ = 1069931 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1078094 and 1078103.

It is not an unprimeable number, because it can be changed into a prime (1078127) 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 3 ways as a sum of consecutive naturals, for example, 31693 + ... + 31726.

It is an arithmetic number, because the mean of its divisors is an integer number (285390).

2^1078123 is an apocalyptic number.

1078123 is a deficient number, since it is larger than the sum of its proper divisors (63437).

1078123 is an equidigital number, since it uses as much as digits as its factorization.

1078123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63436.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1078123 is about 1038.3270197775. The cubic root of 1078123 is about 102.5390848367.

The spelling of 1078123 in words is "one million, seventy-eight thousand, one hundred twenty-three".