1142317 has 8 divisors (see below), whose sum is σ = 1258560. Its totient is φ = 1028160.

The previous prime is 1142311. The next prime is 1142321. The reversal of 1142317 is 7132411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142317 - 2¹⁹ = 618029 is a prime.

It is a pancake number, because a pancake can be divided into 1142317 parts by 1511 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142294 and 1142303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784 + ... + 1702.

It is an arithmetic number, because the mean of its divisors is an integer number (157320).

2^1142317 is an apocalyptic number.

It is an amenable number.

1142317 is a deficient number, since it is larger than the sum of its proper divisors (116243).

1142317 is a wasteful number, since it uses less digits than its factorization.

1142317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

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

The square root of 1142317 is about 1068.7923091041. The cubic root of 1142317 is about 104.5351178873.

Adding to 1142317 its reverse (7132411), we get a palindrome (8274728).

The spelling of 1142317 in words is "one million, one hundred forty-two thousand, three hundred seventeen".