1318242 has 8 divisors (see below), whose sum is σ = 2636496. Its totient is φ = 439412.

The previous prime is 1318241. The next prime is 1318249. The reversal of 1318242 is 2428131.

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

1318242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1318241) 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, 109848 + ... + 109859.

It is an arithmetic number, because the mean of its divisors is an integer number (329562).

2^1318242 is an apocalyptic number.

1318242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1318242 is a wasteful number, since it uses less digits than its factorization.

1318242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219712.

The product of its digits is 384, while the sum is 21.

The square root of 1318242 is about 1148.1472031059. The cubic root of 1318242 is about 109.6474109796.

The spelling of 1318242 in words is "one million, three hundred eighteen thousand, two hundred forty-two".