1421044103 has 4 divisors (see below), whose sum is σ = 1421317080. Its totient is φ = 1420771128.

The previous prime is 1421044099. The next prime is 1421044111. The reversal of 1421044103 is 3014401241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3014401241 = 787 ⋅3830243.

It is a cyclic number.

It is not a de Polignac number, because 1421044103 - 2² = 1421044099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421044153) 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, 128525 + ... + 139142.

It is an arithmetic number, because the mean of its divisors is an integer number (355329270).

Almost surely, 2^1421044103 is an apocalyptic number.

1421044103 is a deficient number, since it is larger than the sum of its proper divisors (272977).

1421044103 is an equidigital number, since it uses as much as digits as its factorization.

1421044103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272976.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1421044103 is about 37696.7386255098. The cubic root of 1421044103 is about 1124.2662812146.

Adding to 1421044103 its reverse (3014401241), we get a palindrome (4435445344).

The spelling of 1421044103 in words is "one billion, four hundred twenty-one million, forty-four thousand, one hundred three".