1421324105 has 8 divisors (see below), whose sum is σ = 1751686152. Its totient is φ = 1106327808.

The previous prime is 1421324059. The next prime is 1421324111. The reversal of 1421324105 is 5014231241.

It can be written as a sum of positive squares in 4 ways, for example, as 197233936 + 1224090169 = 14044^2 + 34987^2 .

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 1421324105 - 2¹⁰ = 1421323081 is a prime.

It is a super-2 number, since 2×1421324105² = 4040324422908102050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3841232 + ... + 3841601.

It is an arithmetic number, because the mean of its divisors is an integer number (218960769).

Almost surely, 2^1421324105 is an apocalyptic number.

It is an amenable number.

1421324105 is a deficient number, since it is larger than the sum of its proper divisors (330362047).

1421324105 is an equidigital number, since it uses as much as digits as its factorization.

1421324105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7682875.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1421324105 is about 37700.4523182415. The cubic root of 1421324105 is about 1124.3401180347.

Adding to 1421324105 its reverse (5014231241), we get a palindrome (6435555346).

The spelling of 1421324105 in words is "one billion, four hundred twenty-one million, three hundred twenty-four thousand, one hundred five".