128051201 has 2 divisors, whose sum is σ = 128051202. Its totient is φ = 128051200.

The previous prime is 128051141. The next prime is 128051207. The reversal of 128051201 is 102150821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127690000 + 361201 = 11300^2 + 601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128051201 is a prime.

It is a super-2 number, since 2×128051201² = 32794220155084802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128051207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64025600 + 64025601.

It is an arithmetic number, because the mean of its divisors is an integer number (64025601).

Almost surely, 2^128051201 is an apocalyptic number.

It is an amenable number.

128051201 is a deficient number, since it is larger than the sum of its proper divisors (1).

128051201 is an equidigital number, since it uses as much as digits as its factorization.

128051201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 128051201 is about 11315.9710586410. The cubic root of 128051201 is about 504.0356081019.

The spelling of 128051201 in words is "one hundred twenty-eight million, fifty-one thousand, two hundred one".