1421241443 has 8 divisors (see below), whose sum is σ = 1426395696. Its totient is φ = 1416096000.

The previous prime is 1421241433. The next prime is 1421241449. The reversal of 1421241443 is 3441421241.

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

It is a cyclic number.

It is not a de Polignac number, because 1421241443 - 2¹⁴ = 1421225059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421241449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528380 + ... + 531062.

It is an arithmetic number, because the mean of its divisors is an integer number (178299462).

Almost surely, 2^1421241443 is an apocalyptic number.

1421241443 is a deficient number, since it is larger than the sum of its proper divisors (5154253).

1421241443 is a wasteful number, since it uses less digits than its factorization.

1421241443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405.

The product of its digits is 3072, while the sum is 26.

The square root of 1421241443 is about 37699.3560024571. The cubic root of 1421241443 is about 1124.3183209878.

Adding to 1421241443 its reverse (3441421241), we get a palindrome (4862662684).

It can be divided in two parts, 14212 and 41443, that added together give a palindrome (55655).

The spelling of 1421241443 in words is "one billion, four hundred twenty-one million, two hundred forty-one thousand, four hundred forty-three".