1142342717 has 8 divisors (see below), whose sum is σ = 1147848000. Its totient is φ = 1136850624.

The previous prime is 1142342711. The next prime is 1142342723. The reversal of 1142342717 is 7172432411.

It is an interprime number because it is at equal distance from previous prime (1142342711) and next prime (1142342723).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142342717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142342711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199034 + ... + 204692.

It is an arithmetic number, because the mean of its divisors is an integer number (143481000).

Almost surely, 2^1142342717 is an apocalyptic number.

It is an amenable number.

1142342717 is a deficient number, since it is larger than the sum of its proper divisors (5505283).

1142342717 is an equidigital number, since it uses as much as digits as its factorization.

1142342717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6595.

The product of its digits is 9408, while the sum is 32.

The square root of 1142342717 is about 33798.5608717294. The cubic root of 1142342717 is about 1045.3590234836.

The spelling of 1142342717 in words is "one billion, one hundred forty-two million, three hundred forty-two thousand, seven hundred seventeen".