1421043105 has 16 divisors (see below), whose sum is σ = 2295745920. Its totient is φ = 750530688.

The previous prime is 1421043089. The next prime is 1421043179. The reversal of 1421043105 is 5013401241.

It is not a de Polignac number, because 1421043105 - 2⁴ = 1421043089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458340 + ... + 461429.

It is an arithmetic number, because the mean of its divisors is an integer number (143484120).

Almost surely, 2^1421043105 is an apocalyptic number.

1421043105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421043105 is a deficient number, since it is larger than the sum of its proper divisors (874702815).

1421043105 is a wasteful number, since it uses less digits than its factorization.

1421043105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919880.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1421043105 is about 37696.7253882880. The cubic root of 1421043105 is about 1124.2660180236.

Adding to 1421043105 its reverse (5013401241), we get a palindrome (6434444346).

The spelling of 1421043105 in words is "one billion, four hundred twenty-one million, forty-three thousand, one hundred five".