1321441042 has 8 divisors (see below), whose sum is σ = 2098759356. Its totient is φ = 621854592.

The previous prime is 1321441019. The next prime is 1321441063. The reversal of 1321441042 is 2401441231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1312685361 + 8755681 = 36231^2 + 2959^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19432923 + ... + 19432990.

Almost surely, 2^1321441042 is an apocalyptic number.

1321441042 is a deficient number, since it is larger than the sum of its proper divisors (777318314).

1321441042 is a wasteful number, since it uses less digits than its factorization.

1321441042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38865932.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1321441042 is about 36351.6305273918. The cubic root of 1321441042 is about 1097.3603489787.

Adding to 1321441042 its reverse (2401441231), we get a palindrome (3722882273).

The spelling of 1321441042 in words is "one billion, three hundred twenty-one million, four hundred forty-one thousand, forty-two".