128295746 has 16 divisors (see below), whose sum is σ = 198120384. Its totient is φ = 62273904.

The previous prime is 128295737. The next prime is 128295757. The reversal of 128295746 is 647592821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128295697 and 128295706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9896 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (12382524).

Almost surely, 2^128295746 is an apocalyptic number.

128295746 is a deficient number, since it is larger than the sum of its proper divisors (69824638).

128295746 is a wasteful number, since it uses less digits than its factorization.

128295746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145.

The product of its digits is 241920, while the sum is 44.

The square root of 128295746 is about 11326.7712080716. The cubic root of 128295746 is about 504.3562637077.

The spelling of 128295746 in words is "one hundred twenty-eight million, two hundred ninety-five thousand, seven hundred forty-six".