1421301109 has 2 divisors, whose sum is σ = 1421301110. Its totient is φ = 1421301108.

The previous prime is 1421301067. The next prime is 1421301149. The reversal of 1421301109 is 9011031241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009332900 + 411968209 = 31770^2 + 20297^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421301109 - 2⁹ = 1421300597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1421301109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421301149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710650554 + 710650555.

It is an arithmetic number, because the mean of its divisors is an integer number (710650555).

Almost surely, 2^1421301109 is an apocalyptic number.

It is an amenable number.

1421301109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421301109 is an equidigital number, since it uses as much as digits as its factorization.

1421301109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1421301109 is about 37700.1473339296. The cubic root of 1421301109 is about 1124.3340543310.

The spelling of 1421301109 in words is "one billion, four hundred twenty-one million, three hundred one thousand, one hundred nine".