128273035 has 8 divisors (see below), whose sum is σ = 167921136. Its totient is φ = 93289440.

The previous prime is 128273029. The next prime is 128273059. The reversal of 128273035 is 530372821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128273035 - 2³ = 128273027 is a prime.

It is a super-2 number, since 2×128273035² = 32907943016222450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128272988 and 128273006.

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, 1166064 + ... + 1166173.

It is an arithmetic number, because the mean of its divisors is an integer number (20990142).

Almost surely, 2^128273035 is an apocalyptic number.

128273035 is a deficient number, since it is larger than the sum of its proper divisors (39648101).

128273035 is a wasteful number, since it uses less digits than its factorization.

128273035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332253.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 128273035 is about 11325.7686273383. The cubic root of 128273035 is about 504.3265014555.

The spelling of 128273035 in words is "one hundred twenty-eight million, two hundred seventy-three thousand, thirty-five".