128010870 has 192 divisors, whose sum is σ = 384943104. Its totient is φ = 29272320.

The previous prime is 128010863. The next prime is 128010877. The reversal of 128010870 is 78010821.

It is an interprime number because it is at equal distance from previous prime (128010863) and next prime (128010877).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128010877) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1802935 + ... + 1803005.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^128010870 is an apocalyptic number.

128010870 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 128010870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192471552).

128010870 is an abundant number, since it is smaller than the sum of its proper divisors (256932234).

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

128010870 is a wasteful number, since it uses less digits than its factorization.

128010870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 128010870 is about 11314.1888794557. The cubic root of 128010870 is about 503.9826855352.

The spelling of 128010870 in words is "one hundred twenty-eight million, ten thousand, eight hundred seventy".