1430230121 has 2 divisors, whose sum is σ = 1430230122. Its totient is φ = 1430230120.

The previous prime is 1430230099. The next prime is 1430230169. The reversal of 1430230121 is 1210320341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1269853225 + 160376896 = 35635^2 + 12664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430230121 - 2²² = 1426035817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1430230121.

It is not a weakly prime, because it can be changed into another prime (1430230171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715115060 + 715115061.

It is an arithmetic number, because the mean of its divisors is an integer number (715115061).

Almost surely, 2^1430230121 is an apocalyptic number.

It is an amenable number.

1430230121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430230121 is an equidigital number, since it uses as much as digits as its factorization.

1430230121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1430230121 is about 37818.3833736980. The cubic root of 1430230121 is about 1126.6836015782.

Adding to 1430230121 its reverse (1210320341), we get a palindrome (2640550462).

The spelling of 1430230121 in words is "one billion, four hundred thirty million, two hundred thirty thousand, one hundred twenty-one".