128300756 has 48 divisors (see below), whose sum is σ = 241315200. Its totient is φ = 59568768.

The previous prime is 128300743. The next prime is 128300773. The reversal of 128300756 is 657003821.

It is a happy number.

It is a super-2 number, since 2×128300756² = 32922167980343072, which contains 22 as substring.

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, 716675 + ... + 716853.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^128300756 is an apocalyptic number.

It is an amenable number.

128300756 is a deficient number, since it is larger than the sum of its proper divisors (113014444).

128300756 is a wasteful number, since it uses less digits than its factorization.

128300756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 414 counting only the distinct ones).

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

The square root of 128300756 is about 11326.9923633770. The cubic root of 128300756 is about 504.3628287266.

The spelling of 128300756 in words is "one hundred twenty-eight million, three hundred thousand, seven hundred fifty-six".