128417050 has 24 divisors (see below), whose sum is σ = 249242976. Its totient is φ = 49133040.

The previous prime is 128416987. The next prime is 128417059. The reversal of 128417050 is 50714821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128417059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54684 + ... + 56983.

It is an arithmetic number, because the mean of its divisors is an integer number (10385124).

Almost surely, 2^128417050 is an apocalyptic number.

128417050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128417050 is a deficient number, since it is larger than the sum of its proper divisors (120825926).

128417050 is a wasteful number, since it uses less digits than its factorization.

128417050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111702 (or 111697 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 128417050 is about 11332.1246904541. The cubic root of 128417050 is about 504.5151704061.

It can be divided in two parts, 12841 and 7050, that added together give a palindrome (19891).

The spelling of 128417050 in words is "one hundred twenty-eight million, four hundred seventeen thousand, fifty".