4128307 has 2 divisors, whose sum is σ = 4128308. Its totient is φ = 4128306.

The previous prime is 4128287. The next prime is 4128323. The reversal of 4128307 is 7038214.

4128307 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4128307 - 2¹⁹ = 3604019 is a prime.

4128307 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4128367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064153 + 2064154.

It is an arithmetic number, because the mean of its divisors is an integer number (2064154).

Almost surely, 2^4128307 is an apocalyptic number.

4128307 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128307 is an equidigital number, since it uses as much as digits as its factorization.

4128307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4128307 is about 2031.8235651749. The cubic root of 4128307 is about 160.4195628944.

The spelling of 4128307 in words is "four million, one hundred twenty-eight thousand, three hundred seven".