128285026 has 16 divisors (see below), whose sum is σ = 203966424. Its totient is φ = 60304384.

The previous prime is 128285011. The next prime is 128285041. The reversal of 128285026 is 620582821.

It is an interprime number because it is at equal distance from previous prime (128285011) and next prime (128285041).

It can be written as a sum of positive squares in 4 ways, for example, as 120450625 + 7834401 = 10975^2 + 2799^2 .

It is a super-3 number, since 3×128285026³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 128284982 and 128285000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47406 + ... + 50038.

Almost surely, 2^128285026 is an apocalyptic number.

128285026 is a deficient number, since it is larger than the sum of its proper divisors (75681398).

128285026 is a wasteful number, since it uses less digits than its factorization.

128285026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 128285026 is about 11326.2979830128. The cubic root of 128285026 is about 504.3422158277.

The spelling of 128285026 in words is "one hundred twenty-eight million, two hundred eighty-five thousand, twenty-six".