1142322 has 8 divisors (see below), whose sum is σ = 2284656. Its totient is φ = 380772.

The previous prime is 1142321. The next prime is 1142333. The reversal of 1142322 is 2232411.

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

1142322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1142321) 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, 95188 + ... + 95199.

It is an arithmetic number, because the mean of its divisors is an integer number (285582).

2^1142322 is an apocalyptic number.

1142322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142322 is a wasteful number, since it uses less digits than its factorization.

1142322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190392.

The product of its digits is 96, while the sum is 15.

The square root of 1142322 is about 1068.7946481902. The cubic root of 1142322 is about 104.5352704063.

Adding to 1142322 its reverse (2232411), we get a palindrome (3374733).

The spelling of 1142322 in words is "one million, one hundred forty-two thousand, three hundred twenty-two".