128101764 has 24 divisors (see below), whose sum is σ = 341604928. Its totient is φ = 36600480.

The previous prime is 128101763. The next prime is 128101793. The reversal of 128101764 is 467101821.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (128101763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762427 + ... + 762594.

Almost surely, 2^128101764 is an apocalyptic number.

128101764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128101764 is an abundant number, since it is smaller than the sum of its proper divisors (213503164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128101764 is a wasteful number, since it uses less digits than its factorization.

128101764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525035 (or 1525033 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 128101764 is about 11318.2049813564. The cubic root of 128101764 is about 504.1019414606.

The spelling of 128101764 in words is "one hundred twenty-eight million, one hundred one thousand, seven hundred sixty-four".