1341021443 has 4 divisors (see below), whose sum is σ = 1363750680. Its totient is φ = 1318292208.

The previous prime is 1341021439. The next prime is 1341021449. The reversal of 1341021443 is 3441201431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3441201431 = 179 ⋅19224589.

It is a cyclic number.

It is not a de Polignac number, because 1341021443 - 2² = 1341021439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1341021449) 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, 11364530 + ... + 11364647.

It is an arithmetic number, because the mean of its divisors is an integer number (340937670).

Almost surely, 2^1341021443 is an apocalyptic number.

1341021443 is a deficient number, since it is larger than the sum of its proper divisors (22729237).

1341021443 is an equidigital number, since it uses as much as digits as its factorization.

1341021443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729236.

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

The square root of 1341021443 is about 36619.9596258652. The cubic root of 1341021443 is about 1102.7538281918.

Adding to 1341021443 its reverse (3441201431), we get a palindrome (4782222874).

The spelling of 1341021443 in words is "one billion, three hundred forty-one million, twenty-one thousand, four hundred forty-three".