128748036 has 48 divisors (see below), whose sum is σ = 309955968. Its totient is φ = 41568000.

The previous prime is 128748029. The next prime is 128748041. The reversal of 128748036 is 630847821.

It is a junction number, because it is equal to n+sod(n) for n = 128747985 and 128748003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73426 + ... + 75158.

It is an arithmetic number, because the mean of its divisors is an integer number (6457416).

Almost surely, 2^128748036 is an apocalyptic number.

It is an amenable number.

128748036 is an abundant number, since it is smaller than the sum of its proper divisors (181207932).

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

128748036 is a wasteful number, since it uses less digits than its factorization.

128748036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 128748036 is about 11346.7191733999. The cubic root of 128748036 is about 504.9482494432.

It can be divided in two parts, 12874 and 8036, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 128748036 in words is "one hundred twenty-eight million, seven hundred forty-eight thousand, thirty-six".