1317142 has 8 divisors (see below), whose sum is σ = 1986336. Its totient is φ = 655032.

The previous prime is 1317131. The next prime is 1317157. The reversal of 1317142 is 2417131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (248292).

2^1317142 is an apocalyptic number.

1317142 is a deficient number, since it is larger than the sum of its proper divisors (669194).

1317142 is a wasteful number, since it uses less digits than its factorization.

1317142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542.

The product of its digits is 168, while the sum is 19.

The square root of 1317142 is about 1147.6680704803. The cubic root of 1317142 is about 109.6169042603.

The spelling of 1317142 in words is "one million, three hundred seventeen thousand, one hundred forty-two".