128706350 has 48 divisors (see below), whose sum is σ = 254448000. Its totient is φ = 48343680.

The previous prime is 128706343. The next prime is 128706359. The reversal of 128706350 is 53607821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128706359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52451 + ... + 54849.

It is an arithmetic number, because the mean of its divisors is an integer number (5301000).

Almost surely, 2^128706350 is an apocalyptic number.

128706350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128706350 is a deficient number, since it is larger than the sum of its proper divisors (125741650).

128706350 is a wasteful number, since it uses less digits than its factorization.

128706350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2472 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 128706350 is about 11344.8821060424. The cubic root of 128706350 is about 504.8937462302.

The spelling of 128706350 in words is "one hundred twenty-eight million, seven hundred six thousand, three hundred fifty".