430728101 has 2 divisors, whose sum is σ = 430728102. Its totient is φ = 430728100.

The previous prime is 430728079. The next prime is 430728121. The reversal of 430728101 is 101827034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414163201 + 16564900 = 20351^2 + 4070^2 .

It is a cyclic number.

It is not a de Polignac number, because 430728101 - 2⁶ = 430728037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430728121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215364050 + 215364051.

It is an arithmetic number, because the mean of its divisors is an integer number (215364051).

Almost surely, 2^430728101 is an apocalyptic number.

It is an amenable number.

430728101 is a deficient number, since it is larger than the sum of its proper divisors (1).

430728101 is an equidigital number, since it uses as much as digits as its factorization.

430728101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 430728101 is about 20753.9900019249. The cubic root of 430728101 is about 755.2100060515.

The spelling of 430728101 in words is "four hundred thirty million, seven hundred twenty-eight thousand, one hundred one".