128271350 has 24 divisors (see below), whose sum is σ = 246814560. Its totient is φ = 49538720.

The previous prime is 128271347. The next prime is 128271361. The reversal of 128271350 is 53172821.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42782 + ... + 45681.

It is an arithmetic number, because the mean of its divisors is an integer number (10283940).

Almost surely, 2^128271350 is an apocalyptic number.

128271350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128271350 is a deficient number, since it is larger than the sum of its proper divisors (118543210).

128271350 is a wasteful number, since it uses less digits than its factorization.

128271350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88504 (or 88499 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 128271350 is about 11325.6942392067. The cubic root of 128271350 is about 504.3242931611.

The spelling of 128271350 in words is "one hundred twenty-eight million, two hundred seventy-one thousand, three hundred fifty".