128306070 has 48 divisors (see below), whose sum is σ = 336858912. Its totient is φ = 33880320.

The previous prime is 128306053. The next prime is 128306077. The reversal of 128306070 is 70603821.

128306070 is a `hidden beast` number, since 1 + 28 + 30 + 607 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128306077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2350 + ... + 16190.

It is an arithmetic number, because the mean of its divisors is an integer number (7017894).

Almost surely, 2^128306070 is an apocalyptic number.

128306070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128306070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168429456).

128306070 is an abundant number, since it is smaller than the sum of its proper divisors (208552842).

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

128306070 is a wasteful number, since it uses less digits than its factorization.

128306070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957 (or 13954 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 128306070 is about 11327.2269333672. The cubic root of 128306070 is about 504.3697919152.

Adding to 128306070 its reverse (70603821), we get a palindrome (198909891).

The spelling of 128306070 in words is "one hundred twenty-eight million, three hundred six thousand, seventy".