128403738301 has 2 divisors, whose sum is σ = 128403738302. Its totient is φ = 128403738300.

The previous prime is 128403738283. The next prime is 128403738439. The reversal of 128403738301 is 103837304821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68157544900 + 60246193401 = 261070^2 + 245451^2 .

It is a cyclic number.

It is not a de Polignac number, because 128403738301 - 2¹³ = 128403730109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128403738601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64201869150 + 64201869151.

It is an arithmetic number, because the mean of its divisors is an integer number (64201869151).

Almost surely, 2^128403738301 is an apocalyptic number.

It is an amenable number.

128403738301 is a deficient number, since it is larger than the sum of its proper divisors (1).

128403738301 is an equidigital number, since it uses as much as digits as its factorization.

128403738301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 128403738301 in words is "one hundred twenty-eight billion, four hundred three million, seven hundred thirty-eight thousand, three hundred one".