1317242 has 8 divisors (see below), whose sum is σ = 1995732. Its totient is φ = 652000.

The previous prime is 1317229. The next prime is 1317247. The reversal of 1317242 is 2427131.

It can be written as a sum of positive squares in 2 ways, for example, as 958441 + 358801 = 979^2 + 599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1317247) 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, 3059 + ... + 3462.

2^1317242 is an apocalyptic number.

1317242 is a deficient number, since it is larger than the sum of its proper divisors (678490).

1317242 is a wasteful number, since it uses less digits than its factorization.

1317242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624.

The product of its digits is 336, while the sum is 20.

The square root of 1317242 is about 1147.7116362571. The cubic root of 1317242 is about 109.6196783001.

The spelling of 1317242 in words is "one million, three hundred seventeen thousand, two hundred forty-two".