1321412342 has 12 divisors (see below), whose sum is σ = 2091932316. Its totient is φ = 625931820.

The previous prime is 1321412303. The next prime is 1321412357. The reversal of 1321412342 is 2432141231.

It is a super-2 number, since 2×1321412342² = 3492261155179849928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 914384 + ... + 915827.

It is an arithmetic number, because the mean of its divisors is an integer number (174327693).

Almost surely, 2^1321412342 is an apocalyptic number.

1321412342 is a deficient number, since it is larger than the sum of its proper divisors (770519974).

1321412342 is a wasteful number, since it uses less digits than its factorization.

1321412342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830251 (or 1830232 counting only the distinct ones).

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

The square root of 1321412342 is about 36351.2357699157. The cubic root of 1321412342 is about 1097.3524045027.

Adding to 1321412342 its reverse (2432141231), we get a palindrome (3753553573).

The spelling of 1321412342 in words is "one billion, three hundred twenty-one million, four hundred twelve thousand, three hundred forty-two".