128262306101 has 8 divisors (see below), whose sum is σ = 128964209304. Its totient is φ = 127562273280.

The previous prime is 128262306047. The next prime is 128262306103. The reversal of 128262306101 is 101603262821.

It can be written as a sum of positive squares in 4 ways, for example, as 14406000625 + 113856305476 = 120025^2 + 337426^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128262306101 - 2¹⁰ = 128262305077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128262306103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329960 + ... + 604481.

It is an arithmetic number, because the mean of its divisors is an integer number (16120526163).

Almost surely, 2^128262306101 is an apocalyptic number.

It is an amenable number.

128262306101 is a deficient number, since it is larger than the sum of its proper divisors (701903203).

128262306101 is an equidigital number, since it uses as much as digits as its factorization.

128262306101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935191.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 128262306101 its reverse (101603262821), we get a palindrome (229865568922).

The spelling of 128262306101 in words is "one hundred twenty-eight billion, two hundred sixty-two million, three hundred six thousand, one hundred one".