1324421142 has 128 divisors (see below), whose sum is σ = 3199938048. Its totient is φ = 360806400.

The previous prime is 1324421117. The next prime is 1324421143. The reversal of 1324421142 is 2411244231.

It is a super-2 number, since 2×1324421142² = 3508182722753168328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324421143) 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 63 ways as a sum of consecutive naturals, for example, 2532093 + ... + 2532615.

It is an arithmetic number, because the mean of its divisors is an integer number (24999516).

Almost surely, 2^1324421142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324421142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599969024).

1324421142 is an abundant number, since it is smaller than the sum of its proper divisors (1875516906).

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

1324421142 is a wasteful number, since it uses less digits than its factorization.

1324421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654.

The product of its digits is 1536, while the sum is 24.

The square root of 1324421142 is about 36392.5973516593. The cubic root of 1324421142 is about 1098.1846481611.

Adding to 1324421142 its reverse (2411244231), we get a palindrome (3735665373).

Subtracting 1324421142 from its reverse (2411244231), we obtain a square (1086823089 = 32967²).

The spelling of 1324421142 in words is "one billion, three hundred twenty-four million, four hundred twenty-one thousand, one hundred forty-two".