128338070 has 16 divisors (see below), whose sum is σ = 264009888. Its totient is φ = 44001600.

The previous prime is 128338051. The next prime is 128338073. The reversal of 128338070 is 70833821.

It is a super-2 number, since 2×128338070² = 32941320422649800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128338073) 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, 916631 + ... + 916770.

It is an arithmetic number, because the mean of its divisors is an integer number (16500618).

Almost surely, 2^128338070 is an apocalyptic number.

128338070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128338070 is an abundant number, since it is smaller than the sum of its proper divisors (135671818).

128338070 is a wasteful number, since it uses less digits than its factorization.

128338070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833415.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 128338070 is about 11328.6393710807. The cubic root of 128338070 is about 504.4117189826.

The spelling of 128338070 in words is "one hundred twenty-eight million, three hundred thirty-eight thousand, seventy".