1322742 has 32 divisors (see below), whose sum is σ = 2862720. Its totient is φ = 406080.

The previous prime is 1322731. The next prime is 1322743. The reversal of 1322742 is 2472231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533 + ... + 4815.

It is an arithmetic number, because the mean of its divisors is an integer number (89460).

2^1322742 is an apocalyptic number.

1322742 is an abundant number, since it is smaller than the sum of its proper divisors (1539978).

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

1322742 is a wasteful number, since it uses less digits than its factorization.

1322742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 672, while the sum is 21.

The square root of 1322742 is about 1150.1052125784. The cubic root of 1322742 is about 109.7720347757.

Adding to 1322742 its reverse (2472231), we get a palindrome (3794973).

The spelling of 1322742 in words is "one million, three hundred twenty-two thousand, seven hundred forty-two".