1268123 has 4 divisors (see below), whose sum is σ = 1272888. Its totient is φ = 1263360.

The previous prime is 1268119. The next prime is 1268143. The reversal of 1268123 is 3218621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3218621 = 7 ⋅459803.

It is a cyclic number.

It is not a de Polignac number, because 1268123 - 2² = 1268119 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1268143) 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, 1958 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (318222).

2^1268123 is an apocalyptic number.

1268123 is a deficient number, since it is larger than the sum of its proper divisors (4765).

1268123 is an equidigital number, since it uses as much as digits as its factorization.

1268123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4764.

The product of its digits is 576, while the sum is 23.

The square root of 1268123 is about 1126.1096749429. The cubic root of 1268123 is about 108.2398362273.

The spelling of 1268123 in words is "one million, two hundred sixty-eight thousand, one hundred twenty-three".