426128 has 10 divisors (see below), whose sum is σ = 825654. Its totient is φ = 213056.

The previous prime is 426103. The next prime is 426131. The reversal of 426128 is 821624.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 1024 = 652^2 + 32^2 .

It is an unprimeable number.

426128 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13301 + ... + 13332.

2⁴²⁶¹²⁸ is an apocalyptic number.

It is an amenable number.

426128 is a deficient number, since it is larger than the sum of its proper divisors (399526).

426128 is a wasteful number, since it uses less digits than its factorization.

426128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26641 (or 26635 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 426128 is about 652.7848037447. The cubic root of 426128 is about 75.2511874222.

The spelling of 426128 in words is "four hundred twenty-six thousand, one hundred twenty-eight".