128099350 has 12 divisors (see below), whose sum is σ = 238264884. Its totient is φ = 51239720.

The previous prime is 128099341. The next prime is 128099353. The reversal of 128099350 is 53990821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128099353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1280944 + ... + 1281043.

It is an arithmetic number, because the mean of its divisors is an integer number (19855407).

Almost surely, 2^128099350 is an apocalyptic number.

128099350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128099350 is a deficient number, since it is larger than the sum of its proper divisors (110165534).

128099350 is a wasteful number, since it uses less digits than its factorization.

128099350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561999 (or 2561994 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 128099350 is about 11318.0983385019. The cubic root of 128099350 is about 504.0987749423.

The spelling of 128099350 in words is "one hundred twenty-eight million, ninety-nine thousand, three hundred fifty".