1142342 has 8 divisors (see below), whose sum is σ = 1755432. Its totient is φ = 557200.

The previous prime is 1142333. The next prime is 1142353. The reversal of 1142342 is 2432411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1142342.

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, 6884 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (219429).

2^1142342 is an apocalyptic number.

1142342 is a deficient number, since it is larger than the sum of its proper divisors (613090).

1142342 is a wasteful number, since it uses less digits than its factorization.

1142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974.

The product of its digits is 192, while the sum is 17.

The square root of 1142342 is about 1068.8040044835. The cubic root of 1142342 is about 104.5358804774.

Adding to 1142342 its reverse (2432411), we get a palindrome (3574753).

The spelling of 1142342 in words is "one million, one hundred forty-two thousand, three hundred forty-two".