50120128 has 56 divisors (see below), whose sum is σ = 105338880. Its totient is φ = 23612160.

The previous prime is 50120123. The next prime is 50120137. The reversal of 50120128 is 82102105.

50120128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50120123) 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, 116073 + ... + 116503.

Almost surely, 2^50120128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50120128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52669440).

50120128 is an abundant number, since it is smaller than the sum of its proper divisors (55218752).

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

50120128 is a wasteful number, since it uses less digits than its factorization.

50120128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 50120128 is about 7079.5570482905. The cubic root of 50120128 is about 368.6979507882.

The spelling of 50120128 in words is "fifty million, one hundred twenty thousand, one hundred twenty-eight".