1316123 has 4 divisors (see below), whose sum is σ = 1393560. Its totient is φ = 1238688.

The previous prime is 1316099. The next prime is 1316143. The reversal of 1316123 is 3216131.

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

It is not a de Polignac number, because 1316123 - 2¹² = 1312027 is a prime.

It is a super-2 number, since 2×1316123² = 3464359502258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 77419 = 1316123 / (1 + 3 + 1 + 6 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316143) 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, 38693 + ... + 38726.

It is an arithmetic number, because the mean of its divisors is an integer number (348390).

2^1316123 is an apocalyptic number.

1316123 is a deficient number, since it is larger than the sum of its proper divisors (77437).

1316123 is an equidigital number, since it uses as much as digits as its factorization.

1316123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77436.

The product of its digits is 108, while the sum is 17.

The square root of 1316123 is about 1147.2240408918. The cubic root of 1316123 is about 109.5886287863.

The spelling of 1316123 in words is "one million, three hundred sixteen thousand, one hundred twenty-three".