1142321342 has 8 divisors (see below), whose sum is σ = 1724830032. Its totient is φ = 567378000.

The previous prime is 1142321333. The next prime is 1142321347. The reversal of 1142321342 is 2431232411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142321347) 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, 1890959 + ... + 1891562.

It is an arithmetic number, because the mean of its divisors is an integer number (215603754).

Almost surely, 2^1142321342 is an apocalyptic number.

1142321342 is a deficient number, since it is larger than the sum of its proper divisors (582508690).

1142321342 is a wasteful number, since it uses less digits than its factorization.

1142321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782674.

The product of its digits is 1152, while the sum is 23.

The square root of 1142321342 is about 33798.2446585618. The cubic root of 1142321342 is about 1045.3525033479.

Adding to 1142321342 its reverse (2431232411), we get a palindrome (3573553753).

The spelling of 1142321342 in words is "one billion, one hundred forty-two million, three hundred twenty-one thousand, three hundred forty-two".