1421105353 has 2 divisors, whose sum is σ = 1421105354. Its totient is φ = 1421105352.

The previous prime is 1421105351. The next prime is 1421105363. The reversal of 1421105353 is 3535011241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245595849 + 175509504 = 35293^2 + 13248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421105353 - 2¹ = 1421105351 is a prime.

Together with 1421105351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1421105351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710552676 + 710552677.

It is an arithmetic number, because the mean of its divisors is an integer number (710552677).

Almost surely, 2^1421105353 is an apocalyptic number.

It is an amenable number.

1421105353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421105353 is an equidigital number, since it uses as much as digits as its factorization.

1421105353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1421105353 is about 37697.5510212534. The cubic root of 1421105353 is about 1124.2824337323.

Adding to 1421105353 its reverse (3535011241), we get a palindrome (4956116594).

The spelling of 1421105353 in words is "one billion, four hundred twenty-one million, one hundred five thousand, three hundred fifty-three".