1043123 has 4 divisors (see below), whose sum is σ = 1058760. Its totient is φ = 1027488.

The previous prime is 1043117. The next prime is 1043131. The reversal of 1043123 is 3213401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043123 - 2¹⁰ = 1042099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043098 and 1043107.

It is not an unprimeable number, because it can be changed into a prime (1043113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7718 + ... + 7851.

It is an arithmetic number, because the mean of its divisors is an integer number (264690).

2^1043123 is an apocalyptic number.

1043123 is a deficient number, since it is larger than the sum of its proper divisors (15637).

1043123 is an equidigital number, since it uses as much as digits as its factorization.

1043123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15636.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1043123 is about 1021.3339316795. Note that the first 3 decimals coincide. The cubic root of 1043123 is about 101.4172523997.

Adding to 1043123 its reverse (3213401), we get a palindrome (4256524).

The spelling of 1043123 in words is "one million, forty-three thousand, one hundred twenty-three".