128275495 has 8 divisors (see below), whose sum is σ = 154604160. Its totient is φ = 102171360.

The previous prime is 128275463. The next prime is 128275507. The reversal of 128275495 is 594572821.

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

It is not a de Polignac number, because 128275495 - 2⁵ = 128275463 is a prime.

It is a congruent number.

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, 54871 + ... + 57160.

It is an arithmetic number, because the mean of its divisors is an integer number (19325520).

Almost surely, 2^128275495 is an apocalyptic number.

128275495 is a deficient number, since it is larger than the sum of its proper divisors (26328665).

128275495 is a wasteful number, since it uses less digits than its factorization.

128275495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112265.

The product of its digits is 201600, while the sum is 43.

The square root of 128275495 is about 11325.8772287183. The cubic root of 128275495 is about 504.3297253995.

The spelling of 128275495 in words is "one hundred twenty-eight million, two hundred seventy-five thousand, four hundred ninety-five".