128298051 has 24 divisors (see below), whose sum is σ = 222942720. Its totient is φ = 69453936.

The previous prime is 128298043. The next prime is 128298077. The reversal of 128298051 is 150892821.

It is not a de Polignac number, because 128298051 - 2³ = 128298043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128297997 and 128298015.

It is not an unprimeable number, because it can be changed into a prime (128298041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52395 + ... + 54788.

It is an arithmetic number, because the mean of its divisors is an integer number (9289280).

Almost surely, 2^128298051 is an apocalyptic number.

128298051 is a deficient number, since it is larger than the sum of its proper divisors (94644669).

128298051 is a wasteful number, since it uses less digits than its factorization.

128298051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107215 (or 107212 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 128298051 is about 11326.8729577055. The cubic root of 128298051 is about 504.3592841618.

The spelling of 128298051 in words is "one hundred twenty-eight million, two hundred ninety-eight thousand, fifty-one".