1421404043103 has 20 divisors (see below), whose sum is σ = 2316362145768. Its totient is φ = 861456995280.

The previous prime is 1421404043099. The next prime is 1421404043107. The reversal of 1421404043103 is 3013404041241.

1421404043103 is a `hidden beast` number, since 14 + 2 + 140 + 404 + 3 + 103 = 666.

It is an interprime number because it is at equal distance from previous prime (1421404043099) and next prime (1421404043107).

It is not a de Polignac number, because 1421404043103 - 2² = 1421404043099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421404043107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 797644476 + ... + 797646257.

Almost surely, 2^{1421404043103} is an apocalyptic number.

1421404043103 is a deficient number, since it is larger than the sum of its proper divisors (894958102665).

1421404043103 is a wasteful number, since it uses less digits than its factorization.

1421404043103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595290756 (or 1595290747 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1421404043103 its reverse (3013404041241), we get a palindrome (4434808084344).

The spelling of 1421404043103 in words is "one trillion, four hundred twenty-one billion, four hundred four million, forty-three thousand, one hundred three".