1421030201 has 2 divisors, whose sum is σ = 1421030202. Its totient is φ = 1421030200.

The previous prime is 1421030167. The next prime is 1421030203. The reversal of 1421030201 is 1020301241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032979600 + 388050601 = 32140^2 + 19699^2 .

It is an emirp because it is prime and its reverse (1020301241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1421030201 - 2²² = 1416835897 is a prime.

Together with 1421030203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1421030203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710515100 + 710515101.

It is an arithmetic number, because the mean of its divisors is an integer number (710515101).

Almost surely, 2^1421030201 is an apocalyptic number.

It is an amenable number.

1421030201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421030201 is an equidigital number, since it uses as much as digits as its factorization.

1421030201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1421030201 is about 37696.5542324494. The cubic root of 1421030201 is about 1124.2626149899.

Adding to 1421030201 its reverse (1020301241), we get a palindrome (2441331442).

The spelling of 1421030201 in words is "one billion, four hundred twenty-one million, thirty thousand, two hundred one".