1317123 has 6 divisors (see below), whose sum is σ = 1902524. Its totient is φ = 878076.

The previous prime is 1317119. The next prime is 1317131. The reversal of 1317123 is 3217131.

It is not a de Polignac number, because 1317123 - 2² = 1317119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1317096 and 1317105.

It is not an unprimeable number, because it can be changed into a prime (1317193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73165 + ... + 73182.

2^1317123 is an apocalyptic number.

1317123 is a deficient number, since it is larger than the sum of its proper divisors (585401).

1317123 is a wasteful number, since it uses less digits than its factorization.

1317123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146353 (or 146350 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 1317123 is about 1147.6597927958. The cubic root of 1317123 is about 109.6163771769.

The spelling of 1317123 in words is "one million, three hundred seventeen thousand, one hundred twenty-three".