128093461 has 2 divisors, whose sum is σ = 128093462. Its totient is φ = 128093460.

The previous prime is 128093429. The next prime is 128093467. The reversal of 128093461 is 164390821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108680625 + 19412836 = 10425^2 + 4406^2 .

It is a cyclic number.

It is not a de Polignac number, because 128093461 - 2⁵ = 128093429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128093467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64046730 + 64046731.

It is an arithmetic number, because the mean of its divisors is an integer number (64046731).

Almost surely, 2^128093461 is an apocalyptic number.

It is an amenable number.

128093461 is a deficient number, since it is larger than the sum of its proper divisors (1).

128093461 is an equidigital number, since it uses as much as digits as its factorization.

128093461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 128093461 is about 11317.8381769665. The cubic root of 128093461 is about 504.0910499924.

The spelling of 128093461 in words is "one hundred twenty-eight million, ninety-three thousand, four hundred sixty-one".