128846901 has 4 divisors (see below), whose sum is σ = 171795872. Its totient is φ = 85897932.

The previous prime is 128846891. The next prime is 128846909. The reversal of 128846901 is 109648821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 128846901 - 2¹⁴ = 128830517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128846901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128846909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21474481 + ... + 21474486.

It is an arithmetic number, because the mean of its divisors is an integer number (42948968).

Almost surely, 2^128846901 is an apocalyptic number.

It is an amenable number.

128846901 is a deficient number, since it is larger than the sum of its proper divisors (42948971).

128846901 is an equidigital number, since it uses as much as digits as its factorization.

128846901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42948970.

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 128846901 is about 11351.0748830232. The cubic root of 128846901 is about 505.0774654879.

The spelling of 128846901 in words is "one hundred twenty-eight million, eight hundred forty-six thousand, nine hundred one".