48720128 has 18 divisors (see below), whose sum is σ = 97250454. Its totient is φ = 24359936.

The previous prime is 48720107. The next prime is 48720131. The reversal of 48720128 is 82102784.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 20502784 = 5312^2 + 4528^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 48720094 and 48720103.

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 as a sum of consecutive naturals, namely, 94901 + ... + 95412.

It is an arithmetic number, because the mean of its divisors is an integer number (5402803).

Almost surely, 2^48720128 is an apocalyptic number.

It is an amenable number.

48720128 is a deficient number, since it is larger than the sum of its proper divisors (48530326).

48720128 is an equidigital number, since it uses as much as digits as its factorization.

48720128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190329 (or 190315 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 48720128 is about 6979.9805157321. The cubic root of 48720128 is about 365.2325483735.

The spelling of 48720128 in words is "forty-eight million, seven hundred twenty thousand, one hundred twenty-eight".