128824514 has 16 divisors (see below), whose sum is σ = 237830208. Its totient is φ = 50963472.

The previous prime is 128824513. The next prime is 128824519. The reversal of 128824514 is 415428821.

It is not an unprimeable number, because it can be changed into a prime (128824511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353732 + ... + 354095.

It is an arithmetic number, because the mean of its divisors is an integer number (14864388).

Almost surely, 2^128824514 is an apocalyptic number.

128824514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128824514 is a deficient number, since it is larger than the sum of its proper divisors (109005694).

128824514 is a wasteful number, since it uses less digits than its factorization.

128824514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707849.

The product of its digits is 20480, while the sum is 35.

The square root of 128824514 is about 11350.0887221202. The cubic root of 128824514 is about 505.0482115851.

The spelling of 128824514 in words is "one hundred twenty-eight million, eight hundred twenty-four thousand, five hundred fourteen".