128151285 has 16 divisors (see below), whose sum is σ = 213957504. Its totient is φ = 65375552.

The previous prime is 128151271. The next prime is 128151323. The reversal of 128151285 is 582151821.

It is a cyclic number.

It is not a de Polignac number, because 128151285 - 2⁷ = 128151157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185382 + ... + 186071.

It is an arithmetic number, because the mean of its divisors is an integer number (13372344).

Almost surely, 2^128151285 is an apocalyptic number.

128151285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128151285 is a deficient number, since it is larger than the sum of its proper divisors (85806219).

128151285 is a wasteful number, since it uses less digits than its factorization.

128151285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371484.

The product of its digits is 6400, while the sum is 33.

The square root of 128151285 is about 11320.3924401939. The cubic root of 128151285 is about 504.1668909075.

The spelling of 128151285 in words is "one hundred twenty-eight million, one hundred fifty-one thousand, two hundred eighty-five".