4128899 has 2 divisors, whose sum is σ = 4128900. Its totient is φ = 4128898.

The previous prime is 4128889. The next prime is 4128911. The reversal of 4128899 is 9988214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4128899 - 2¹² = 4124803 is a prime.

It is not a weakly prime, because it can be changed into another prime (4128829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064449 + 2064450.

It is an arithmetic number, because the mean of its divisors is an integer number (2064450).

Almost surely, 2^4128899 is an apocalyptic number.

4128899 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128899 is an equidigital number, since it uses as much as digits as its factorization.

4128899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 4128899 is about 2031.9692418932. The cubic root of 4128899 is about 160.4272305931.

The spelling of 4128899 in words is "four million, one hundred twenty-eight thousand, eight hundred ninety-nine".